Available SLE/SLT+: Forward Collision Alert/Automatic Emergency Braking, Lane Ch
AvailableCalibration required after windshield replacement, camera/radar service, or structural repair affecting sensor alignment.
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4th Gen T1XX - 2019-2026 generation coverage
2019-2026 GMC Sierra 1500 service guide ADAS Calibration & Module Programming
Choose this page if your GMC Sierra 1500 is any model year in the 2019-2026 generation.
Full ADAS calibration, module programming, and key security work for every GMC Sierra 1500 built on this platform. Mobile service is available in the Dallas/Fort Worth service area; mail-in is temporarily unavailable.
Technical snapshot
- Platform GMT T1XX (4th Gen)
- CAN Architecture GMLAN (HS-CAN 500kbps + MS-CAN 33.3kbps); OBD2 DLC Pin 6/14 HS-CAN 500kbps
- Security GM SecureConnect Gen 3 - PASS-Key III+ transponder, PKE passive entry (Denali), RKE 433.92MHz 128-bit rolling code; no OBD pin extraction; AKL via GDS2 + TIS2WEB dealer authorization
The ADAS, module, and security rows below are consolidated across the full 2019-2026 generation. A year badge marks rows that apply only to part of the span; rows without a badge apply to every year. Year-specific differences are summarized under “What changes across 2019-2026”.
OVERVIEW
Expert ADAS calibration, module programming, and diagnostic recovery for the 2019 GMC Sierra-1500. On this vehicle we cover documented systems include Forward Camera (Monocular), Forward Radar (77GHz), and Blind Spot Monitor Sensor - Left (BSM), this GMT T1XX (4th Gen) platform vehicle, GM PASS-Key III+ (T1XX Gen 3) immobilizer support, GMC IntelliLink infotainment programming. Mobile across the DFW Metroplex; mail-in module work is temporarily unavailable.
Platform
GMT T1XX (4th Gen)
Production
1999-present
Trim Levels
Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements.
Drivetrain
RWD / AWD / 4WD
Engine
-
CAN Speed
GMLAN (HS-CAN 500kbps + MS-CAN 33.3kbps); OBD2 DLC Pin 6/14 HS-CAN 500kbps
Feature availability 4
Immobilizer: GM PASS-Key III+ (T1XX Gen 3)
StandardKey programming requires manufacturer-level tool access.
Platform: GMT T1XX (4th Gen)
ConfirmedVerify platform code matches when cross-referencing part numbers across model years.
Platform: GMT T1XX (4th Gen, 2021 refresh)
ConfirmedVerify platform code matches when cross-referencing part numbers across model years.
Tool access for this exact year
Representative tool access paths for this exact model year, gated by the vehicle data and source packet we currently trust.
Factory scan, coding, and calibration access
GM GDS2 / GM Tech2Win / GM MDI 2
Factory routines and secure server authorization control this path when aftermarket coverage is not enough for the VIN.
OEM subscription required
Make-level OEM tool map plus exact-year gateway and ADAS fields.
ADAS scan, setup, and verification
Autel, Launch Tech, Topdon
Used where aftermarket coverage supports the procedure; OEM software remains required for locked factory routines.
Tool subscription required
Service-level scanner-vendor source packet plus exact-year ADAS records.
Bench cloning and chip-level recovery
Alientech / Autotuner / Orange5 / Scanmatik / Flex / VVDI2 / PCMFlash / CGDI / X-Prog
Used only when the module, donor data, EEPROM, MCU, or crash-data workflow requires bench or chip-level handling.
Bench/chip-level only
Bench programmer source packet plus exact-year module/security records.
Will my scanner do this?
Basic OBD2 scanner
Can
- Read codes on SRS systems (29 documented rows)
- Read codes on ECU systems (19 documented rows)
- Read codes on BCM systems (12 documented rows)
- Read codes on TCU / TCM systems (6 documented rows)
- Read codes on ABS systems (12 documented rows)
- Read codes on IPC / SAS systems (15 documented rows)
- Read codes on Gateway systems (6 documented rows)
- Read codes on Keys systems (8 documented rows)
- Read codes on Immobilizer systems (8 documented rows)
- Read codes on Accessory systems (15 documented rows)
Cannot
- Gateway programming, coding, cloning, or security work (6 documented rows)
OEM software subscription (J2534)
OEM subscription may be required
Can
- Factory scan, coding, and calibration access: Factory routines and secure server authorization control this path when aftermarket coverage is not enough for the VIN.
Dealer or specialist
Can
- Gateway dealer security rows (6 documented rows)
Dealer security and specialist module work should be scoped by VIN before you buy parts or pay for programming.
Get a QuoteKnow this platform
This platform uses GMLAN (HS-CAN 500kbps + MS-CAN 33.3kbps); OBD2 DLC Pin 6/14 HS-CAN 500kbps with ISO 15765-4 CAN (500 kbps HS-CAN).
- CAN
- GMLAN (HS-CAN 500kbps + MS-CAN 33.3kbps); OBD2 DLC Pin 6/14 HS-CAN 500kbps
- OBD
- ISO 15765-4 CAN (500 kbps HS-CAN)
can_architecture
Generation service summary for GMC Sierra 1500 4th Gen T1XX (2019-2026)
Generation coverage
This page consolidates GMC Sierra 1500 service data for 2019-2026 across 8 model years; service information is available for 8 years.
Choose a yearADAS coverage
Merged ADAS coverage includes 22 system records, including Forward Camera (Monocular) (2019), Forward Radar (77GHz) (2019), Blind Spot Monitor Sensor - Left (BSM) (2019), and Blind Spot Monitor Sensor - Right (BSM) (2019). Year-marked systems apply only to the shown range.
View ADAS dataCalibration triggers
This generation has 40 merged calibration trigger records. Trigger applicability can vary by year - verify by VIN before setup.
View triggersProgrammable modules
The merged generation page indexes 114 programmable module records across SRS, ECU, BCM, TCU/TCM, ABS, IPC coverage. Part numbers are confirmed for the exact year/VIN.
View modulesGateway and security
Gateway, immobilizer, and key-security coverage includes 22 merged records. Security procedures vary by year - verify by VIN.
View securityCore Auto Logic capability
Core Auto Logic supports generation-level diagnostics, ADAS calibration, module programming, and security-access planning for the GMC Sierra 1500 2019-2026 span, with exact-year validation before service. Mail-in work is temporarily unavailable.
Get a quoteDo I need calibration?
Windshield Replacement (if Forward Camera Equipped) 14
Forward Camera
2019Required
Forward camera static calibration required via GDS2. Level surface. GM-specified forward target chart at WSM-specified distance. Verify bracket not damaged. Confirm FCA and Lane Change Alert DTC-free after calibration.
Forward Collision Alert
2019Required
Forward camera static calibration required via GDS2. Level surface. GM-specified forward target chart at WSM-specified distance. Verify bracket not damaged. Confirm FCA and Lane Change Alert DTC-free after calibration.
Lane Change Alert
2019Required
Forward camera static calibration required via GDS2. Level surface. GM-specified forward target chart at WSM-specified distance. Verify bracket not damaged. Confirm FCA and Lane Change Alert DTC-free after calibration.
Forward Camera
2020-2021Required
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA and LCA DTC-free.
FCA
2020-2021Required
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA and LCA DTC-free.
LCA
2020-2021Required
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA and LCA DTC-free.
Forward Camera
2022Required
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA, LCA, and Super Cruise DTC-free post-cal.
FCA
2022Required
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA, LCA, and Super Cruise DTC-free post-cal.
LCA
2022Required
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA, LCA, and Super Cruise DTC-free post-cal.
Super Cruise (Denali Ultimate)
2022Required
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA, LCA, and Super Cruise DTC-free post-cal.
Forward Camera
2023-2026Required
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA, LCA, Super Cruise DTC-free.
FCA
2023-2026Required
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA, LCA, Super Cruise DTC-free.
LCA
2023-2026Required
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA, LCA, Super Cruise DTC-free.
Super Cruise (Denali Ultimate)
2023-2026Required
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA, LCA, Super Cruise DTC-free.
Forward Camera Replacement 13
Forward Camera
2019Required
GDS2 camera initialization + static calibration. Same procedure as windshield R&R. Verify bracket not damaged. Confirm FCA, AEB, and Lane Change Alert functional post-cal.
FCA
2019Required
GDS2 camera initialization + static calibration. Same procedure as windshield R&R. Verify bracket not damaged. Confirm FCA, AEB, and Lane Change Alert functional post-cal.
LCA
2019Required
GDS2 camera initialization + static calibration. Same procedure as windshield R&R. Verify bracket not damaged. Confirm FCA, AEB, and Lane Change Alert functional post-cal.
Forward Camera
2020Required
GDS2 camera initialization + static calibration. Same procedure as windshield R&R. Verify bracket not damaged.
FCA
2020Required
GDS2 camera initialization + static calibration. Same procedure as windshield R&R. Verify bracket not damaged.
LCA
2020Required
GDS2 camera initialization + static calibration. Same procedure as windshield R&R. Verify bracket not damaged.
Forward Camera
2021Required
GDS2 camera initialization + static calibration. Verify bracket not damaged.
FCA
2021Required
GDS2 camera initialization + static calibration. Verify bracket not damaged.
LCA
2021Required
GDS2 camera initialization + static calibration. Verify bracket not damaged.
Forward Camera
2022-2026Required
GDS2 camera initialization + static calibration. Verify bracket not damaged. Confirm all ADAS DTC-free.
FCA
2022-2026Required
GDS2 camera initialization + static calibration. Verify bracket not damaged. Confirm all ADAS DTC-free.
LCA
2022-2026Required
GDS2 camera initialization + static calibration. Verify bracket not damaged. Confirm all ADAS DTC-free.
Super Cruise
2022-2026Required
GDS2 camera initialization + static calibration. Verify bracket not damaged. Confirm all ADAS DTC-free.
Forward Radar Replacement 17
Forward Radar
2019Required
GDS2 radar alignment. Level surface, 10 ft clearance forward, no metallic obstructions in FOV. Remove bumper fascia before confirming alignment. Verify Adaptive Cruise and AEB DTC-free.
FCA
2019Required
GDS2 radar alignment. Level surface, 10 ft clearance forward, no metallic obstructions in FOV. Remove bumper fascia before confirming alignment. Verify Adaptive Cruise and AEB DTC-free.
Adaptive Cruise
2019Required
GDS2 radar alignment. Level surface, 10 ft clearance forward, no metallic obstructions in FOV. Remove bumper fascia before confirming alignment. Verify Adaptive Cruise and AEB DTC-free.
Forward Radar
2020Required
GDS2 radar alignment. Level surface, no metallic obstructions. Bumper fascia R&I for access. Verify Adaptive Cruise and AEB DTC-free.
FCA
2020Required
GDS2 radar alignment. Level surface, no metallic obstructions. Bumper fascia R&I for access. Verify Adaptive Cruise and AEB DTC-free.
Adaptive Cruise
2020Required
GDS2 radar alignment. Level surface, no metallic obstructions. Bumper fascia R&I for access. Verify Adaptive Cruise and AEB DTC-free.
Forward Radar
2021Required
GDS2 radar alignment. Level surface, no metallic obstructions. Verify AEB and Adaptive Cruise DTC-free.
FCA
2021Required
GDS2 radar alignment. Level surface, no metallic obstructions. Verify AEB and Adaptive Cruise DTC-free.
Adaptive Cruise
2021Required
GDS2 radar alignment. Level surface, no metallic obstructions. Verify AEB and Adaptive Cruise DTC-free.
Forward Radar
2022-2023Required
GDS2 radar alignment. Level surface, no metallic obstructions. Verify all radar-dependent ADAS DTC-free.
FCA
2022-2023Required
GDS2 radar alignment. Level surface, no metallic obstructions. Verify all radar-dependent ADAS DTC-free.
Adaptive Cruise
2022-2023Required
GDS2 radar alignment. Level surface, no metallic obstructions. Verify all radar-dependent ADAS DTC-free.
Super Cruise
2022-2023Required
GDS2 radar alignment. Level surface, no metallic obstructions. Verify all radar-dependent ADAS DTC-free.
Forward Radar
2024-2026Required
GDS2 radar alignment. Level surface, no metallic obstructions. Verify all ADAS DTC-free.
FCA
2024-2026Required
GDS2 radar alignment. Level surface, no metallic obstructions. Verify all ADAS DTC-free.
Adaptive Cruise
2024-2026Required
GDS2 radar alignment. Level surface, no metallic obstructions. Verify all ADAS DTC-free.
Super Cruise
2024-2026Required
GDS2 radar alignment. Level surface, no metallic obstructions. Verify all ADAS DTC-free.
BZA Rear Radar Replacement (either side) 4
BZA
2019Required
GDS2 BZA module initialization. Fixed mount - no physical aiming required. DTC clear via GDS2. Road verify BZA and RCTA function at 20+ mph.
RCTA
2019Required
GDS2 BZA module initialization. Fixed mount - no physical aiming required. DTC clear via GDS2. Road verify BZA and RCTA function at 20+ mph.
BZA
2020Required
GDS2 BZA initialization. Fixed mount - no physical aiming. DTC clear. Road verify at 20+ mph.
RCTA
2020Required
GDS2 BZA initialization. Fixed mount - no physical aiming. DTC clear. Road verify at 20+ mph.
BCM Replacement 23
BCM
2019Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options configuration + PASS-Key III+ key relearn with all keys present.
PASS-Key III+
2019Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options configuration + PASS-Key III+ key relearn with all keys present.
Remote Start
2019Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options configuration + PASS-Key III+ key relearn with all keys present.
BSM
2019Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options configuration + PASS-Key III+ key relearn with all keys present.
BCM
2020Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options + PASS-Key III+ relearn with all keys present.
PASS-Key III+
2020Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options + PASS-Key III+ relearn with all keys present.
Remote Start
2020Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options + PASS-Key III+ relearn with all keys present.
BSM
2020Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options + PASS-Key III+ relearn with all keys present.
BCM
2021Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options + PASS-Key III+ relearn with all keys. Reconfigure MultiPro Tailgate if equipped.
PASS-Key III+
2021Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options + PASS-Key III+ relearn with all keys. Reconfigure MultiPro Tailgate if equipped.
Remote Start
2021Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options + PASS-Key III+ relearn with all keys. Reconfigure MultiPro Tailgate if equipped.
BSM
2021Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options + PASS-Key III+ relearn with all keys. Reconfigure MultiPro Tailgate if equipped.
MultiPro Tailgate
2021Required
SPS programming (TIS2WEB) + VIN tie + all vehicle options + PASS-Key III+ relearn with all keys. Reconfigure MultiPro Tailgate if equipped.
BCM
2022Required
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn. Verify Super Cruise RPO KSG configured in BCM if Denali Ultimate.
PASS-Key III+
2022Required
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn. Verify Super Cruise RPO KSG configured in BCM if Denali Ultimate.
Remote Start
2022Required
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn. Verify Super Cruise RPO KSG configured in BCM if Denali Ultimate.
BSM
2022Required
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn. Verify Super Cruise RPO KSG configured in BCM if Denali Ultimate.
Super Cruise RPO KSG
2022Required
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn. Verify Super Cruise RPO KSG configured in BCM if Denali Ultimate.
BCM
2023-2026Required
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn. Verify Super Cruise RPO KSG if Denali Ultimate.
PASS-Key III+
2023-2026Required
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn. Verify Super Cruise RPO KSG if Denali Ultimate.
Remote Start
2023-2026Required
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn. Verify Super Cruise RPO KSG if Denali Ultimate.
BSM
2023-2026Required
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn. Verify Super Cruise RPO KSG if Denali Ultimate.
Super Cruise RPO KSG
2023-2026Required
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn. Verify Super Cruise RPO KSG if Denali Ultimate.
ECM Replacement 8
ECM
2019Required
SPS programming (TIS2WEB) + VIN tie + PASS-Key parameter transfer + idle/throttle relearn + AFM/DFM adaptation reset. Diesel (if equipped): DPF adaptation reset.
PASS-Key III+
2019Required
SPS programming (TIS2WEB) + VIN tie + PASS-Key parameter transfer + idle/throttle relearn + AFM/DFM adaptation reset. Diesel (if equipped): DPF adaptation reset.
Throttle
2019Required
SPS programming (TIS2WEB) + VIN tie + PASS-Key parameter transfer + idle/throttle relearn + AFM/DFM adaptation reset. Diesel (if equipped): DPF adaptation reset.
AFM/DFM
2019Required
SPS programming (TIS2WEB) + VIN tie + PASS-Key parameter transfer + idle/throttle relearn + AFM/DFM adaptation reset. Diesel (if equipped): DPF adaptation reset.
ECM
2021-2026Required
SPS programming + VIN tie + PASS-Key parameter transfer + idle/throttle relearn + AFM/DFM adaptation reset.
PASS-Key III+
2021-2026Required
SPS programming + VIN tie + PASS-Key parameter transfer + idle/throttle relearn + AFM/DFM adaptation reset.
Throttle
2021-2026Required
SPS programming + VIN tie + PASS-Key parameter transfer + idle/throttle relearn + AFM/DFM adaptation reset.
AFM/DFM
2021-2026Required
SPS programming + VIN tie + PASS-Key parameter transfer + idle/throttle relearn + AFM/DFM adaptation reset.
EBCM / ABS Module Replacement 6
ABS
2019Required
GDS2 ABS/ESC initialization + 4-wheel brake bleed + steering angle sensor zero-point calibration. Drive 35+ mph straight on level surface to complete SAS learning.
StabiliTrak
2019Required
GDS2 ABS/ESC initialization + 4-wheel brake bleed + steering angle sensor zero-point calibration. Drive 35+ mph straight on level surface to complete SAS learning.
SAS
2019Required
GDS2 ABS/ESC initialization + 4-wheel brake bleed + steering angle sensor zero-point calibration. Drive 35+ mph straight on level surface to complete SAS learning.
ABS
2020Required
GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive 35+ mph straight on level surface.
StabiliTrak
2020Required
GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive 35+ mph straight on level surface.
SAS
2020Required
GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive 35+ mph straight on level surface.
Wheel Alignment or Steering Component R&R 2
StabiliTrak
2019Required
GDS2 SAS zero-point reset. Drive straight at 35+ mph on level surface. StabiliTrak warning will remain until SAS calibration completes.
SAS
2019Required
GDS2 SAS zero-point reset. Drive straight at 35+ mph on level surface. StabiliTrak warning will remain until SAS calibration completes.
Any Front-End Collision 2
2019
Yes
Inspect and recalibrate forward camera after any front-end collision using GDS2/MDI2.
2020-2026
Yes
Inspect and recalibrate forward camera after any front-end collision using GDS2/MDI2.
Front Bumper Repair or Replacement 2
2019
Yes
Forward radar angular alignment required after front bumper R&R. Use GDS2/MDI2.
2020-2026
Yes
Forward radar angular alignment required after front bumper R&R. Use GDS2/MDI2.
Rear Bumper Repair or Replacement 2
2019
Yes
BSD radar alignment required after rear bumper R&R. Use GDS2/MDI2.
2020-2026
Yes
BSD radar alignment required after rear bumper R&R. Use GDS2/MDI2.
BSM Sensor Replacement 2
2019
Yes
Blind spot monitoring sensor replacement requires calibration using GDS2/MDI2.
2020-2026
Yes
Blind spot monitoring sensor replacement requires calibration using GDS2/MDI2.
Mirror Replacement 2
2019
Conditional
If BSD sensor is mirror-integrated, recalibration required. Verify sensor location; use GDS2/MDI2 if applicable.
2020-2026
Conditional
If BSD sensor is mirror-integrated, recalibration required. Verify sensor location; use GDS2/MDI2 if applicable.
ECM Replacement (Diesel LM2) 3
ECM
2020Required
SPS programming + VIN tie + PASS-Key parameter transfer + DPF adaptation reset + injector calibration. Diesel-specific extra TIS2WEB session time required.
PASS-Key III+
2020Required
SPS programming + VIN tie + PASS-Key parameter transfer + DPF adaptation reset + injector calibration. Diesel-specific extra TIS2WEB session time required.
DPF
2020Required
SPS programming + VIN tie + PASS-Key parameter transfer + DPF adaptation reset + injector calibration. Diesel-specific extra TIS2WEB session time required.
BZA Rear Radar Replacement 2
BZA
2021Required
GDS2 BZA initialization. Fixed mount - no physical aiming. DTC clear. Road verify 20+ mph.
RCTA
2021Required
GDS2 BZA initialization. Fixed mount - no physical aiming. DTC clear. Road verify 20+ mph.
EBCM Replacement 3
ABS
2021-2026Required
GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive straight 35+ mph.
StabiliTrak
2021-2026Required
GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive straight 35+ mph.
SAS
2021-2026Required
GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive straight 35+ mph.
Super Cruise DAC Replacement (Denali Ultimate) 2
Super Cruise
2022-2023Required
GDS2 + TIS2WEB Super Cruise DAC initialization. Active OnStar required. Verify Super Cruise engage/disengage on highway.
Super Cruise
2024-2026Required
GDS2 + TIS2WEB Super Cruise DAC initialization. Active OnStar required. Verify Super Cruise function on highway.
ADAS calibration requirements
57 calibration requirements are documented for this generation.
24 static, 21 dynamic or drive-cycle, and 6 not-required rows. Verify exact equipment and repair event by VIN before setup.
ADAS Component
Location
Systems: Trailer Assistance
Trigger: System(s)
Auxiliary View Camera - Bed/Cargo View
Center high mounted stop lamp
Systems: Surround View Camera, Auxiliary View Camera - Bed/Cargo View
Trigger: R&R, Surround View Camera
Setup: N/A, Dynamic (w/Drive Cycle)
Auxiliary View Camera - Bed/Cargo View
Center High Mounted Stop Lamp
Systems: Surround View Camera
Trigger: R&R
Setup: N/A
Auxiliary View Camera - Bed/Cargo View
Surround View Camera
Systems: Center High Mounted Stop Lamp
Trigger: R&R
Setup: N/A
Forward Range Radar Module / Radar Sensor Module - Long Range
Bumper - Front
Systems: Active Driving Assistance, Adaptive Cruise Control, Automatic Emergency Braking, Forward Collision Warning, Forward Range Radar Module / Radar Sensor Module - Long Range
Trigger: R&R, R&I, Active Driving Assistance Adaptive Cruise Control Automatic Emergency Braking Forward Collision Warning
Setup: Scan tool, Shop built or supplied tools, Static Dynamic (w/Drive Cycle)
Forward Range Radar Module / Radar Sensor Module - Long Range
Active Driving Assistance Adaptive Cruise Control Automatic Emergency Braking Forward Collision Warning
Systems: Bumper - Front
Trigger: R&R R&I
Setup: Scan Tool Shop Built / Supplied Tools
Forward Range Radar Module / Radar Sensor Module - Long Range
Bumper - Front
Systems: Active Driving Assistance
Trigger: R&R R&I
Setup: Scan Tool Shop Built / Supplied Tools
Front View Camera / Vehicle Direction Camera
Windshield area
Systems: Active Driving Assistance, Adaptive Cruise Control, Automatic Emergency Braking, Automatic High Beams, Forward Collision Warning, Lane Departure Warning, Lane Keeping Assistance, Reverse Automatic Emergency Braking, Front View Camera / Vehicle Direction Camera
Trigger: R&R, R&I, Active Driving Assistance Adaptive Cruise Control Automatic Emergency Braking Automatic High Beams Forward Collision Warning Lane Departure Warning Lane Keeping Assistance Reverse Automatic Emergency Braking
Setup: Scan tool, Shop built or supplied tools, Static Dynamic (w/Drive Cycle)
Front View Camera / Vehicle Direction Camera
Active Driving Assistance Adaptive Cruise Control Automatic Emergency Braking Automatic High Beams Forward Collision Warning Lane Departure Warning Lane Keeping Assistance Reverse Automatic Emergency Braking
Systems: Windshield Area
Trigger: R&R R&I
Setup: Scan Tool Shop Built / Supplied Tools
Front View Camera / Vehicle Direction Camera
Windshield Area
Systems: Active Driving Assistance
Trigger: R&R R&I
Setup: Scan Tool Shop Built / Supplied Tools
Front View Driver Information Camera / Frontview Camera
Grille
Systems: Surround View Camera, Front View Driver Information Camera / Frontview Camera
Trigger: R&R, Surround View Camera
Setup: N/A, Dynamic (w/Drive Cycle)
Front View Driver Information Camera / Frontview Camera
Grille
Systems: Surround View Camera
Trigger: R&R
Setup: N/A
Front View Driver Information Camera / Frontview Camera
Surround View Camera
Systems: Grille
Trigger: R&R
Setup: N/A
Head-Up Display
Dashboard / instrument panel
Systems: Head-Up Display
Trigger: Calibration not required, Head-Up Display
Head-Up Display
Dashboard / Instrument Panel
Systems: Head-Up Display
Trigger: Calibration Not Required
Head-Up Display
Head-Up Display
Systems: Dashboard / Instrument Panel
Trigger: Calibration Not Required
Lighting Control Module
Dashboard / instrument panel
Systems: Automatic High Beams, Rear Vision Enhancement, Lighting Control Module
Trigger: R&R, Automatic High Beams Rear Vision Enhancement
Setup: Scan tool, Shop built or supplied tools, Static
Lighting Control Module
Automatic High Beams Rear Vision Enhancement
Systems: Dashboard / Instrument Panel
Trigger: R&R
Setup: Scan Tool Shop Built / Supplied Tools
Lighting Control Module
Dashboard / Instrument Panel
Systems: Automatic High Beams
Trigger: R&R
Setup: Scan Tool Shop Built / Supplied Tools
Location/ADAS Component
System(s)
Systems: Video Processing Control Module
Trigger: Post-Repair Calibration/Initialization (PRC/I)
Parking Assist Alarm Sensor / Parking Assist Object Sensor
Bumper - Front and Rear
Systems: Parking Assist Alarm Sensor / Parking Assist Object Sensor
Trigger: Active Driving Assistance Parking Collision Warning
Parking Assist Alarm Sensor / Parking Assist Object Sensor
Front and rear bumper
Systems: Active Driving Assistance, Parking Collision Warning
Trigger: Calibration not required
Parking Assist Alarm Sensor / Parking Assist Object Sensor
Active Driving Assistance Parking Collision Warning
Systems: Bumper - Front and Rear
Trigger: Calibration Not Required
Parking Assist Alarm Sensor / Parking Assist Object Sensor
Bumper - Front and Rear
Systems: Active Driving Assistance
Trigger: Calibration Not Required
Parking Assist Control Module / Object Alarm Module
Rear seat / rear shelf
Systems: Active Driving Assistance, Parking Collision Warning, Parking Assist Control Module / Object Alarm Module
Trigger: R&R, Active Driving Assistance Parking Collision Warning
Setup: Scan tool, Shop built or supplied tools, Static
Parking Assist Control Module / Object Alarm Module
Active Driving Assistance Parking Collision Warning
Systems: Rear Seat / Rear Shelf
Trigger: R&R
Setup: Scan Tool Shop Built / Supplied Tools
Parking Assist Control Module / Object Alarm Module
Rear Seat / Rear Shelf
Systems: Active Driving Assistance
Trigger: R&R
Setup: Scan Tool Shop Built / Supplied Tools
Rear View Driver Information Camera (With Surround Vision)
Decklid / liftgate / tailgate
Systems: Surround View Camera, Trailer Assistance, Rear View Driver Information Camera (With Surround Vision)
Trigger: R&R, Surround View Camera Trailer Assistance
Setup: N/A, Dynamic (w/Drive Cycle)
Rear View Driver Information Camera (With Surround Vision)
Decklid / Liftgate / Tailgate
Systems: Surround View Camera
Trigger: R&R
Setup: N/A
Rear View Driver Information Camera (With Surround Vision)
Surround View Camera Trailer Assistance
Systems: Decklid / Liftgate / Tailgate
Trigger: R&R
Setup: N/A
Rear View Driver Information Camera (Without Surround Vision)
Decklid / liftgate / tailgate
Systems: Backup Camera, Rear View Driver Information Camera (Without Surround Vision)
Trigger: Calibration not required, Backup Camera
Rear View Driver Information Camera (Without Surround Vision)
Backup Camera
Systems: Decklid / Liftgate / Tailgate
Trigger: Calibration Not Required
Rear View Driver Information Camera (Without Surround Vision)
Decklid / Liftgate / Tailgate
Systems: Backup Camera
Trigger: Calibration Not Required
Rearview Mirror Camera
Center high mounted stop lamp
Systems: Rear Vision Enhancement, Rearview Mirror Camera
Trigger: Calibration not required, Rear Vision Enhancement
Rearview Mirror Camera
Center High Mounted Stop Lamp
Systems: Rear Vision Enhancement
Trigger: Calibration Not Required
Rearview Mirror Camera
Rear Vision Enhancement
Systems: Center High Mounted Stop Lamp
Trigger: Calibration Not Required
Seat Lane Departure Warning Actuator / Safety Alert Seat
Seat
Systems: Automatic Emergency Braking, Blind Spot Warning, Forward Collision Warning, Lane Departure Warning, Lane Keeping Assistance, Parking Collision Warning, Rear Cross Traffic Warning, Reverse Automatic Emergency Braking, Seat Lane Departure Warning Actuator / Safety Alert Seat
Trigger: Calibration not required, Automatic Emergency Braking Blind Spot Warning Forward Collision Warning Lane Departure Warning Lane Keeping Assistance Parking Collision Warning Rear Cross Traffic Warning
Seat Lane Departure Warning Actuator / Safety Alert Seat
Automatic Emergency Braking Blind Spot Warning Forward Collision Warning Lane Departure Warning Lane Keeping Assistance Parking Collision Warning Rear Cross Traffic Warning
Systems: Seat
Trigger: Calibration Not Required
Seat Lane Departure Warning Actuator / Safety Alert Seat
Seat
Systems: Automatic Emergency Braking
Trigger: Calibration Not Required
Short Range Radar Sensor(s)
Bumper - Front and Rear
Systems: Short Range Radar Sensor(s)
Trigger: Active Driving Assistance Automatic Emergency Braking Blind Spot Warning Forward Collision Warning Lane Change Alert Parking Collision Warning Rear Cross Traffic Warning Reverse Automatic Emergency Braking
Setup: Static
Short Range Radar Sensor(s)
Front and rear bumper
Systems: Active Driving Assistance, Automatic Emergency Braking, Blind Spot Warning, Forward Collision Warning, Lane Change Alert, Parking Collision Warning, Rear Cross Traffic Warning, Reverse Automatic Emergency Braking
Trigger: R&R
Setup: Scan tool, Shop built or supplied tools
Short Range Radar Sensor(s)
Active Driving Assistance Automatic Emergency Braking Blind Spot Warning Forward Collision Warning Lane Change Alert Parking Collision Warning Rear Cross Traffic Warning Reverse Automatic Emergency Braking
Systems: Bumper - Front and Rear
Trigger: R&R
Setup: Scan Tool Shop Built / Supplied Tools
Short Range Radar Sensor(s)
Bumper - Front and Rear
Systems: Active Driving Assistance
Trigger: R&R
Setup: Scan Tool Shop Built / Supplied Tools
Side Object Sensing Alert Module / Side Object Sensor Module
Bumper - Rear
Systems: Side Object Sensing Alert Module / Side Object Sensor Module
Trigger: Blind Spot Warning Lane Change Alert Rear Cross Traffic Warning
Setup: Static
Side Object Sensing Alert Module / Side Object Sensor Module
Rear bumper
Systems: Blind Spot Warning, Lane Change Alert, Rear Cross Traffic Warning
Trigger: R&R
Setup: Scan tool, Shop built or supplied tools
Side Object Sensing Alert Module / Side Object Sensor Module
Blind Spot Warning Lane Change Alert Rear Cross Traffic Warning
Systems: Bumper - Rear
Trigger: R&R
Setup: Scan Tool Shop Built / Supplied Tools
Side Object Sensing Alert Module / Side Object Sensor Module
Bumper - Rear
Systems: Blind Spot Warning
Trigger: R&R
Setup: Scan Tool Shop Built / Supplied Tools
Side View Driver Information Camera
Side Mirror(s)
Systems: Side View Driver Information Camera
Trigger: Surround View Camera
Setup: Dynamic (w/Drive Cycle)
Side View Driver Information Camera
Side mirrors
Systems: Surround View Camera
Trigger: R&R
Setup: N/A
Side View Driver Information Camera
Side Mirror(s)
Systems: Surround View Camera
Trigger: R&R
Setup: N/A
Side View Driver Information Camera
Surround View Camera
Systems: Side Mirror(s)
Trigger: R&R
Setup: N/A
Steering Angle Sensor
Steering column
Systems: Active Driving Assistance, Lane Keeping Assistance, Wheel Alignment ADAS dependency, Steering Angle Sensor
Trigger: R&R, Wheel Alignment, Active Driving Assistance Lane Keeping Assistance Performing Wheel Alignment May Necessitate Calibrations Affecting ADAS Function
Setup: Scan tool, Static
Steering Angle Sensor
Active Driving Assistance Lane Keeping Assistance Performing Wheel Alignment May Necessitate Calibrations Affecting ADAS Function
Systems: Steering Column
Trigger: R&R Wheel Alignment
Setup: Scan Tool
Steering Angle Sensor
Steering Column
Systems: Active Driving Assistance
Trigger: R&R Wheel Alignment
Setup: Scan Tool
Video Processing Control Module
Rear seat / rear shelf
Systems: Surround View Camera, Trailer Assistance, Video Processing Control Module
Trigger: R&R, Surround View Camera Trailer Assistance
Setup: Scan tool, Shop built or supplied tools, Static Dynamic (w/Drive Cycle)
Video Processing Control Module
Rear Seat / Rear Shelf
Systems: Surround View Camera
Trigger: R&R
Setup: Scan Tool Shop Built / Supplied Tools
Video Processing Control Module
Surround View Camera Trailer Assistance
Systems: Rear Seat / Rear Shelf
Trigger: R&R
Setup: Scan Tool Shop Built / Supplied Tools
Year-by-year details
| Year | VIN split | Infotainment | Wireless CarPlay | Wireless Android Auto | Trim notes |
|---|---|---|---|---|---|
| 2019 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code. | GMC IntelliLink | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. | ||
| 2020 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code. | GMC Infotainment 3 | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. | ||
| 2021 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code. | GMC Infotainment 3 | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. | ||
| 2022 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code. | GMC Infotainment 3 | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. | ||
| 2023 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code. | GMC Infotainment 3 Premium | 1 | 1 | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. |
| 2024 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code. | GMC Infotainment 3 Premium | 1 | 1 | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. |
| 2025 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code. | GMC Infotainment 3 Premium | 1 | 1 | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. |
| 2026 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code. | GMC Infotainment 3 Premium | 1 | 1 | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. |
What changes across 2019-2026
Differences versus the generation reference. Years not listed here match the shared platform data on this page.
2020
- Infotainment: GMC Infotainment 3 (was GMC IntelliLink)
2021
- Infotainment: GMC Infotainment 3 (was GMC IntelliLink)
2022
- Infotainment: GMC Infotainment 3 (was GMC IntelliLink)
2023
- Infotainment: GMC Infotainment 3 Premium (was GMC IntelliLink)
- Wireless CarPlay: Yes
- Wireless Android Auto: Yes
2024
- Infotainment: GMC Infotainment 3 Premium (was GMC IntelliLink)
- Wireless CarPlay: Yes
- Wireless Android Auto: Yes
2025
- Infotainment: GMC Infotainment 3 Premium (was GMC IntelliLink)
- Wireless CarPlay: Yes
- Wireless Android Auto: Yes
2026
- Infotainment: GMC Infotainment 3 Premium (was GMC IntelliLink)
- Wireless CarPlay: Yes
- Wireless Android Auto: Yes
22 ADAS systems documented across the 2019-2026 generation. Rows that apply to only part of the generation carries a year badge.
Filter by year
ADAS CALIBRATION MATRIX
ADAS systems on this vehicle
Available SLE/SLT+: Forward Collision Alert/Automatic Emergency Braking, Lane Change Alert w/Blind Spot Monitoring, Rear Cross Traffic Alert, HD Rear Camera, Front Camera Safety Package; ProGrade Trailering System (Denali)
Scroll for part numbers and Details
| System | Type | Category | Cal. Type | Supported | Part # | Actions |
|---|---|---|---|---|---|---|
| Forward Camera (Monocular) 2019 | Camera | ADAS Camera | Static | YES | 84394 (APPROX - VERIFY GMDB BY VIN) | |
| Forward Radar (77GHz) 2019 | Radar | ADAS Radar | Static | YES | 84277 (APPROX - VERIFY GMDB) | |
| Blind Spot Monitor Sensor - Left (BSM) 2019 | Radar | ADAS Radar | Static + Dynamic | YES | 23234 (APPROX - VERIFY GMDB) | |
| Blind Spot Monitor Sensor - Right (BSM) 2019 | Radar | ADAS Radar | Static + Dynamic | YES | 23234 | |
| HD Rear Camera 2019 | Camera | Rear Vision | None (registration only) | YES | 84495 (APPROX - VERIFY GMDB) | |
| Forward Camera (Monocular) 2020 | Camera | ADAS Camera | Static | YES | 84394 (APPROX - VERIFY GMDB BY VIN) | |
| Forward Radar (77GHz) 2020 | Radar | ADAS Radar | Static | YES | 84277 (APPROX - VERIFY GMDB) | |
| Blind Spot Monitor Sensor - Left (BSM) 2020 | Radar | ADAS Radar | Static + Dynamic | YES | 23234 (APPROX - VERIFY GMDB) | |
| Blind Spot Monitor Sensor - Right (BSM) 2020-2026 | Radar | ADAS Radar | Static + Dynamic | YES | 23234 | |
| HD Rear Camera 2020 | Camera | Rear Vision | None (registration only) | YES | 84495 (APPROX - VERIFY GMDB) | |
| Forward Camera (Monocular) 2021 | Camera | ADAS Camera | Static | YES | 84394 (APPROX - VERIFY GMDB BY VIN) | |
| Forward Radar (77GHz) 2021 | Radar | ADAS Radar | Static | YES | 84277 (APPROX - VERIFY GMDB) | |
| Blind Spot Monitor Sensor - Left (BSM) 2021-2022 | Radar | ADAS Radar | Static + Dynamic | YES | 23234 (APPROX - VERIFY GMDB) | |
| HD Rear Camera / MultiPro Tailgate Camera System 2021 | Camera | Rear Vision | None (registration only) | YES | 84495, 84 MULTIPRO VARIANT (VERIFY GMDB) | |
| Forward Camera (Monocular) 2022-2026 | Camera | ADAS Camera | Static | YES | 84394 (APPROX - VERIFY GMDB BY VIN) | |
| Forward Radar (77GHz) 2022-2026 | Radar | ADAS Radar | Static | YES | 84277 (APPROX - VERIFY GMDB) | |
| Super Cruise Driver Attention Camera (DAC) 2022 | Camera | Super Cruise | Static | YES | - | |
| HD Rear Camera / MultiPro Tailgate Camera 2022-2023 | Camera | Rear Vision | None (registration only) | YES | 84495 | |
| Blind Spot Monitor Sensor - Left (BSM) 2023-2026 | Radar | ADAS Radar | Static + Dynamic | YES | 23234 (APPROX - VERIFY GMDB) | |
| Super Cruise Driver Attention Camera (DAC) 2023 | Camera | Super Cruise | Static | YES | - | |
| Super Cruise Driver Attention Camera (DAC) 2024-2026 | Camera | Super Cruise | Static | YES | - | |
| HD Rear Camera / MultiPro Tailgate Camera 2024-2026 | Camera | Rear Vision | None (registration only) | YES | 84495 |
ADAS SYSTEM
YES Supported
Identification
- System type
- Module category
- Sensor location
Part Numbers
- OEM
- Alternative
Calibration & Triggers
- Calibration type
- Programming approach
- Requires PMI
- Trigger events
Technical Notes
- Chip / MCU
- Service notes
Need this calibrated?
Get a quote for ADAS calibration WHEN IS CALIBRATION REQUIRED?
Triggers for ADAS recalibration
Windshield Replacement (if Forward Camera Equipped) 2019 Affected: Forward Camera, Forward Collision Alert, Lane Change Alert
Forward camera static calibration required via GDS2. Level surface. GM-specified forward target chart at WSM-specified distance. Verify bracket not damaged. Confirm FCA and Lane Change Alert DTC-free after calibration.
Forward Camera Replacement 2019 Affected: Forward Camera, FCA, LCA
GDS2 camera initialization + static calibration. Same procedure as windshield R&R. Verify bracket not damaged. Confirm FCA, AEB, and Lane Change Alert functional post-cal.
Forward Radar Replacement 2019 Affected: Forward Radar, FCA, Adaptive Cruise
GDS2 radar alignment. Level surface, 10 ft clearance forward, no metallic obstructions in FOV. Remove bumper fascia before confirming alignment. Verify Adaptive Cruise and AEB DTC-free.
BZA Rear Radar Replacement (either side) 2019 Affected: BZA, RCTA
GDS2 BZA module initialization. Fixed mount - no physical aiming required. DTC clear via GDS2. Road verify BZA and RCTA function at 20+ mph.
BCM Replacement 2019 Affected: BCM, PASS-Key III+, Remote Start, BSM
SPS programming (TIS2WEB) + VIN tie + all vehicle options configuration + PASS-Key III+ key relearn with all keys present.
ECM Replacement 2019 Affected: ECM, PASS-Key III+, Throttle, AFM/DFM
SPS programming (TIS2WEB) + VIN tie + PASS-Key parameter transfer + idle/throttle relearn + AFM/DFM adaptation reset. Diesel (if equipped): DPF adaptation reset.
EBCM / ABS Module Replacement 2019 Affected: ABS, StabiliTrak, SAS
GDS2 ABS/ESC initialization + 4-wheel brake bleed + steering angle sensor zero-point calibration. Drive 35+ mph straight on level surface to complete SAS learning.
Wheel Alignment or Steering Component R&R 2019 Affected: StabiliTrak, SAS
GDS2 SAS zero-point reset. Drive straight at 35+ mph on level surface. StabiliTrak warning will remain until SAS calibration completes.
Any Front-End Collision 2019
Inspect and recalibrate forward camera after any front-end collision using GDS2/MDI2.
Front Bumper Repair or Replacement 2019
Forward radar angular alignment required after front bumper R&R. Use GDS2/MDI2.
Rear Bumper Repair or Replacement 2019
BSD radar alignment required after rear bumper R&R. Use GDS2/MDI2.
BSM Sensor Replacement 2019
Blind spot monitoring sensor replacement requires calibration using GDS2/MDI2.
Mirror Replacement 2019
If BSD sensor is mirror-integrated, recalibration required. Verify sensor location; use GDS2/MDI2 if applicable.
Windshield Replacement (if Forward Camera Equipped) 2020-2021 Affected: Forward Camera, FCA, LCA
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA and LCA DTC-free.
Forward Camera Replacement 2020 Affected: Forward Camera, FCA, LCA
GDS2 camera initialization + static calibration. Same procedure as windshield R&R. Verify bracket not damaged.
Forward Radar Replacement 2020 Affected: Forward Radar, FCA, Adaptive Cruise
GDS2 radar alignment. Level surface, no metallic obstructions. Bumper fascia R&I for access. Verify Adaptive Cruise and AEB DTC-free.
BZA Rear Radar Replacement (either side) 2020 Affected: BZA, RCTA
GDS2 BZA initialization. Fixed mount - no physical aiming. DTC clear. Road verify at 20+ mph.
BCM Replacement 2020 Affected: BCM, PASS-Key III+, Remote Start, BSM
SPS programming (TIS2WEB) + VIN tie + all vehicle options + PASS-Key III+ relearn with all keys present.
ECM Replacement (Diesel LM2) 2020 Affected: ECM, PASS-Key III+, DPF
SPS programming + VIN tie + PASS-Key parameter transfer + DPF adaptation reset + injector calibration. Diesel-specific extra TIS2WEB session time required.
EBCM / ABS Module Replacement 2020 Affected: ABS, StabiliTrak, SAS
GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive 35+ mph straight on level surface.
Any Front-End Collision 2020-2026
Inspect and recalibrate forward camera after any front-end collision using GDS2/MDI2.
Front Bumper Repair or Replacement 2020-2026
Forward radar angular alignment required after front bumper R&R. Use GDS2/MDI2.
Rear Bumper Repair or Replacement 2020-2026
BSD radar alignment required after rear bumper R&R. Use GDS2/MDI2.
BSM Sensor Replacement 2020-2026
Blind spot monitoring sensor replacement requires calibration using GDS2/MDI2.
Mirror Replacement 2020-2026
If BSD sensor is mirror-integrated, recalibration required. Verify sensor location; use GDS2/MDI2 if applicable.
Forward Camera Replacement 2021 Affected: Forward Camera, FCA, LCA
GDS2 camera initialization + static calibration. Verify bracket not damaged.
Forward Radar Replacement 2021 Affected: Forward Radar, FCA, Adaptive Cruise
GDS2 radar alignment. Level surface, no metallic obstructions. Verify AEB and Adaptive Cruise DTC-free.
BZA Rear Radar Replacement 2021 Affected: BZA, RCTA
GDS2 BZA initialization. Fixed mount - no physical aiming. DTC clear. Road verify 20+ mph.
BCM Replacement 2021 Affected: BCM, PASS-Key III+, Remote Start, BSM, MultiPro Tailgate
SPS programming (TIS2WEB) + VIN tie + all vehicle options + PASS-Key III+ relearn with all keys. Reconfigure MultiPro Tailgate if equipped.
ECM Replacement 2021-2026 Affected: ECM, PASS-Key III+, Throttle, AFM/DFM
SPS programming + VIN tie + PASS-Key parameter transfer + idle/throttle relearn + AFM/DFM adaptation reset.
EBCM Replacement 2021-2026 Affected: ABS, StabiliTrak, SAS
GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive straight 35+ mph.
Windshield Replacement (if Forward Camera Equipped) 2022 Affected: Forward Camera, FCA, LCA, Super Cruise (Denali Ultimate)
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA, LCA, and Super Cruise DTC-free post-cal.
Forward Camera Replacement 2022-2026 Affected: Forward Camera, FCA, LCA, Super Cruise
GDS2 camera initialization + static calibration. Verify bracket not damaged. Confirm all ADAS DTC-free.
Forward Radar Replacement 2022-2023 Affected: Forward Radar, FCA, Adaptive Cruise, Super Cruise
GDS2 radar alignment. Level surface, no metallic obstructions. Verify all radar-dependent ADAS DTC-free.
Super Cruise DAC Replacement (Denali Ultimate) 2022-2023 Affected: Super Cruise
GDS2 + TIS2WEB Super Cruise DAC initialization. Active OnStar required. Verify Super Cruise engage/disengage on highway.
BCM Replacement 2022 Affected: BCM, PASS-Key III+, Remote Start, BSM, Super Cruise RPO KSG
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn. Verify Super Cruise RPO KSG configured in BCM if Denali Ultimate.
Windshield Replacement (if Forward Camera Equipped) 2023-2026 Affected: Forward Camera, FCA, LCA, Super Cruise (Denali Ultimate)
Forward camera static calibration via GDS2. Level surface. GM forward target chart at WSM distance. Confirm FCA, LCA, Super Cruise DTC-free.
BCM Replacement 2023-2026 Affected: BCM, PASS-Key III+, Remote Start, BSM, Super Cruise RPO KSG
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn. Verify Super Cruise RPO KSG if Denali Ultimate.
Forward Radar Replacement 2024-2026 Affected: Forward Radar, FCA, Adaptive Cruise, Super Cruise
GDS2 radar alignment. Level surface, no metallic obstructions. Verify all ADAS DTC-free.
Super Cruise DAC Replacement (Denali Ultimate) 2024-2026 Affected: Super Cruise
GDS2 + TIS2WEB Super Cruise DAC initialization. Active OnStar required. Verify Super Cruise function on highway.
Modules we program on this generation
114 documented GMC Sierra 1500 modules across the 2019-2026 generation. Open a group for part numbers, programming protocol, security notes, and clone support.
SRS MODULES
SRS Modules
Sensing & Diagnostic Module (SDM) x29
84057079 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84057079
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
84057080 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84057080
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
13507217 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 13507217
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
13524234 Verify by VIN 2019-2021, 2023 Under center console
_years covers only 2019-2021, 2023 for this generation
Used/donor module guide
Compatible donor years: 2019, 2020, 2021, 2023
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 13524234
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
13578676 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 13578676
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
84396838 Verify by VIN 2019-2021 Under center console
_years covers only 2019-2021 for this generation
Used/donor module guide
Compatible donor years: 2019, 2020, 2021
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84396838
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
23425293 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 23425293
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
23425292 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 23425292
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
84396837 Verify by VIN 2019-2021 Under center console
_years covers only 2019-2021 for this generation
Used/donor module guide
Compatible donor years: 2019, 2020, 2021
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84396837
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
13578678 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 13578678
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
13514198 Verify by VIN 2019-2021 Under center console
_years covers only 2019-2021 for this generation
Used/donor module guide
Compatible donor years: 2019, 2020, 2021
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 13514198
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
13578677 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 13578677
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
22886642 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 22886642
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
22886641 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 22886641
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
84057073 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84057073
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
84750512 Verify by VIN 2019-2021 Under center console
_years covers only 2019-2021 for this generation
Used/donor module guide
Compatible donor years: 2019, 2020, 2021
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84750512
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
13518044 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 13518044
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
84057085 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84057085
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
84057076 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84057076
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
84057077 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84057077
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
84057082 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84057082
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
84057083 Verify by VIN 2019 Under center console
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84057083
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
13552065 Verify by VIN 2022 Under center console
_years covers only 2022 for this generation
Used/donor module guide
Compatible donor years: 2022
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 13552065
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
85021808 Verify by VIN 2022 Under center console
_years covers only 2022 for this generation
Used/donor module guide
Compatible donor years: 2022
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 85021808
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
84823467 Verify by VIN 2024-2026 Under center console
_years covers only 2024-2026 for this generation
Used/donor module guide
Compatible donor years: 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84823467
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
84841522 Verify by VIN 2024-2026 Under center console
_years covers only 2024-2026 for this generation
Used/donor module guide
Compatible donor years: 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 84841522
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
85547475 Verify by VIN 2024-2026 Under center console
_years covers only 2024-2026 for this generation
Used/donor module guide
Compatible donor years: 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 85547475
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
85608870 Verify by VIN 2024-2026 Under center console
_years covers only 2024-2026 for this generation
Used/donor module guide
Compatible donor years: 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 85608870
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
85608871 Verify by VIN 2024-2026 Under center console
_years covers only 2024-2026 for this generation
Used/donor module guide
Compatible donor years: 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - on the floor under the center console / center of the dash floor tunnel, between the front seats.
Reached by removing the center console trim and floor covering to expose the module bolted to the floor pan. Restraint-system work is recommended to be left to a qualified professional - this is a safety-critical system and is listed here for orientation only, not as a DIY procedure.
Disconnect the battery first.
Airbag system components - professional service is strongly recommended. Never probe or handle an SRS module with the battery connected.
- PART
- 85608871
- LOCATION
- Under center console
- MFG
- Continental
- NOTES
- Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.
ECU MODULES
ECU Modules
ECM - L3B 2.7L Turbo 4-cyl x2
12697 (APPROX - VERIFY GMDB BY VIN) Verify by VIN 2019 SPS / TIS2WEB
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 12697 (APPROX - VERIFY GMDB BY VIN)
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming via TIS2WEB. VIN tie required. PASS-Key III+ security parameter transfer from old ECM. Throttle body relearn: GDS2 idle learn procedure. Injector balance rate reset.
12697 (APPROX - VERIFY GMDB) Verify by VIN 2020-2026 SPS / TIS2WEB
_years covers only 2020-2026 for this generation
Used/donor module guide
Compatible donor years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 12697 (APPROX - VERIFY GMDB)
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming + VIN tie + PASS-Key III+ parameter transfer. Throttle body relearn + idle relearn via GDS2.
ECM - L84 5.3L V8 EcoTec3 x3
12694 (APPROX - VERIFY GMDB BY VIN) Verify by VIN 2019 SPS / TIS2WEB
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 12694 (APPROX - VERIFY GMDB BY VIN)
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming via TIS2WEB. VIN tie required. PASS-Key III+ parameter transfer. AFM (Active Fuel Management) adaptation reset after ECM replacement. Cam phaser relearn via GDS2. Injector balance rate reset. Idle relearn.
12694 (APPROX - VERIFY GMDB) Verify by VIN 2020 SPS / TIS2WEB
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 12694 (APPROX - VERIFY GMDB)
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming + VIN tie + PASS-Key parameter transfer. AFM adaptation reset. Cam phaser relearn. Injector balance rate reset. Idle relearn.
12694 (APPROX - VERIFY GMDB) Verify by VIN 2021-2026 SPS / TIS2WEB
_years covers only 2021-2026 for this generation
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 12694 (APPROX - VERIFY GMDB)
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming + VIN tie + PASS-Key parameter transfer. AFM adaptation reset. Cam phaser relearn. Idle relearn.
ECM - L87 6.2L V8 EcoTec3 x2
12697 (APPROX Verify by VIN 2019 SPS / TIS2WEB
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 12697 (APPROX
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming via TIS2WEB. VIN tie. DFM (Dynamic Fuel Management) on 2019+ 6.2L. AFM/DFM adaptation reset. Cam phaser relearn. PASS-Key parameter transfer.
12697 (APPROX Verify by VIN 2020-2026 SPS / TIS2WEB
_years covers only 2020-2026 for this generation
Used/donor module guide
Compatible donor years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 12697 (APPROX
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming + VIN tie + PASS-Key parameter transfer. DFM adaptation reset. Cam phaser relearn.
TCM - 8L90 / 8L45 8-Speed Automatic x3
24285 (APPROX - VERIFY GMDB) Verify by VIN 2019 GDS2 quick learn + SPS if required
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 24285 (APPROX - VERIFY GMDB)
- PROTOCOL
- GDS2 quick learn + SPS if required
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 TCM quick learn procedure after replacement. Transmission adaptive shift data reset. Verify smooth shift quality through all gears on road test.
24285 (APPROX - VERIFY GMDB) Verify by VIN 2020 GDS2 quick learn + SPS if required
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 24285 (APPROX - VERIFY GMDB)
- PROTOCOL
- GDS2 quick learn + SPS if required
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 TCM quick learn after replacement. Adaptive shift data reset. Verify smooth shift quality on road test.
24285 (APPROX - VERIFY GMDB) Verify by VIN 2021 GDS2 quick learn + SPS if required
_years covers only 2021 for this generation
Used/donor module guide
Compatible donor years: 2021
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 24285 (APPROX - VERIFY GMDB)
- PROTOCOL
- GDS2 quick learn + SPS if required
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 TCM quick learn after replacement. Adaptive data reset. Verify shift quality on road test.
EBCM (Electronic Brake Control Module) x3
84 (CONTINENTAL Verify by VIN 2019 GDS2
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 84 (CONTINENTAL
- PROTOCOL
- GDS2
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 ABS/StabiliTrak initialization + 4-wheel manual bleed after replacement. Steering angle sensor zero-point calibration required - GDS2 SAS reset + drive straight at 35+ mph on level surface.
84 (CONTINENTAL Verify by VIN 2020 GDS2
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 84 (CONTINENTAL
- PROTOCOL
- GDS2
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 ABS/StabiliTrak initialization + 4-wheel brake bleed. SAS zero-point calibration: GDS2 reset + drive straight 35+ mph.
84 (CONTINENTAL Verify by VIN 2021-2026 GDS2
_years covers only 2021-2026 for this generation
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 84 (CONTINENTAL
- PROTOCOL
- GDS2
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 ABS/StabiliTrak initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive straight 35+ mph after reset.
ECM - LM2 3.0L Duramax Diesel x3
12708 (APPROX - VERIFY GMDB BY VIN) Verify by VIN 2020 SPS / TIS2WEB
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 12708 (APPROX - VERIFY GMDB BY VIN)
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming + VIN tie + PASS-Key parameter transfer. DIESEL SPECIFIC: DPF adaptation reset required after ECM replacement. Injector return flow calibration. Glow plug module communication check. DEF system check via GDS2. Allow extra SPS time on TIS2WEB for diesel ECM.
12708 (APPROX - VERIFY GMDB) Verify by VIN 2021 SPS / TIS2WEB
_years covers only 2021 for this generation
Used/donor module guide
Compatible donor years: 2021
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 12708 (APPROX - VERIFY GMDB)
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming + VIN tie + PASS-Key parameter transfer. DPF adaptation reset. Injector return flow calibration. DEF system check via GDS2.
12708 (APPROX - VERIFY GMDB) Verify by VIN 2022-2026 SPS / TIS2WEB
_years covers only 2022-2026 for this generation
Used/donor module guide
Compatible donor years: 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 12708 (APPROX - VERIFY GMDB)
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming + VIN tie + PASS-Key parameter transfer. DPF adaptation reset. Injector calibration. DEF system check. Allow extra SPS session time.
TCM - 10L80 10-Speed Automatic x3
24285 (APPROX - VERIFY GMDB) Verify by VIN 2022 GDS2 quick learn + SPS if required
_years covers only 2022 for this generation
Used/donor module guide
Compatible donor years: 2022
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 24285 (APPROX - VERIFY GMDB)
- PROTOCOL
- GDS2 quick learn + SPS if required
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 TCM quick learn after replacement. Adaptive data reset. Note: 2022 Sierra 1500 transitioned to 10-speed on most engine/trim combos - verify transmission by VIN RPO. Verify shift quality all gears on road test.
24285 (APPROX - VERIFY GMDB) Verify by VIN 2023 GDS2 quick learn + SPS if required
_years covers only 2023 for this generation
Used/donor module guide
Compatible donor years: 2023
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 24285 (APPROX - VERIFY GMDB)
- PROTOCOL
- GDS2 quick learn + SPS if required
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 TCM quick learn after replacement. Adaptive data reset. Verify shift quality all gears on road test.
24285 (APPROX - VERIFY GMDB) Verify by VIN 2024-2026 GDS2 quick learn + SPS if required
_years covers only 2024-2026 for this generation
Used/donor module guide
Compatible donor years: 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Engine bay periphery - mounted in the front driver-side wheel well area, behind the inner fender felt liner (not on the engine itself).
Reach it from the front driver-side wheel well: the felt/splash liner inside the fender opening is pulled back to expose the module on its bracket, then the electrical connectors are unplugged. No interior dash work needed. This is a change from older GM trucks where the ECM sat on the engine - on this generation it lives at the wheel well.
Disconnect the battery first.
- PART
- 24285 (APPROX - VERIFY GMDB)
- PROTOCOL
- GDS2 quick learn + SPS if required
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 TCM quick learn after replacement. Adaptive data reset. Verify shift quality on road test.
BCM MODULES
BCM Modules
Body Control Module (BCM) x4
84252 (APTIV SECURECONNECT GEN 3 - VERIFY GMDB) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - under the dash on the driver side, mounted up behind the lower trim near the kick panel / steering column area.
Accessed from the driver footwell by removing the lower dash knee bolster / under-dash trim panel to expose the module on its bracket, then disconnecting the harness connectors. No major dash teardown required.
- PART
- 84252 (APTIV SECURECONNECT GEN 3 - VERIFY GMDB)
- SECURITY
- PASS-Key III+
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming via TIS2WEB required after replacement. Configure all vehicle options in BCM calibration via GDS2 (trailer, heated seats, remote start, BSM). VIN programming required. Not plug and play.
84252 (APTIV - VERIFY GMDB) Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
Access
Located: Cabin - under the dash on the driver side, mounted up behind the lower trim near the kick panel / steering column area.
Accessed from the driver footwell by removing the lower dash knee bolster / under-dash trim panel to expose the module on its bracket, then disconnecting the harness connectors. No major dash teardown required.
- PART
- 84252 (APTIV - VERIFY GMDB)
- SECURITY
- PASS-Key III+
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming via TIS2WEB required. All customer keys must be present for relearn. Configure all vehicle options via GDS2 BCM calibration. VIN tie required.
84252 (APTIV - VERIFY GMDB) Verify by VIN 2021
_years covers only 2021 for this generation
Used/donor module guide
Compatible donor years: 2021
Always match the full part number before buying a used module.
Access
Located: Cabin - under the dash on the driver side, mounted up behind the lower trim near the kick panel / steering column area.
Accessed from the driver footwell by removing the lower dash knee bolster / under-dash trim panel to expose the module on its bracket, then disconnecting the harness connectors. No major dash teardown required.
- PART
- 84252 (APTIV - VERIFY GMDB)
- SECURITY
- PASS-Key III+
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming via TIS2WEB required. All customer keys must be present for relearn. Configure all vehicle options via GDS2 (trailer, heated seats, remote start, BSM, MultiPro Tailgate if equipped). VIN tie required. OTA module 2021+ - verify connectivity after replacement.
84252 (APTIV - VERIFY GMDB) Verify by VIN 2022-2026
_years covers only 2022-2026 for this generation
Used/donor module guide
Compatible donor years: 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - under the dash on the driver side, mounted up behind the lower trim near the kick panel / steering column area.
Accessed from the driver footwell by removing the lower dash knee bolster / under-dash trim panel to expose the module on its bracket, then disconnecting the harness connectors. No major dash teardown required.
- PART
- 84252 (APTIV - VERIFY GMDB)
- SECURITY
- PASS-Key III+
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming via TIS2WEB required. All customer keys must be present for relearn. Configure all options via GDS2 (Super Cruise RPO KSG if Denali Ultimate, trailer, remote start, BSM). VIN tie required.
HVAC Control Module x3
84 (VERIFY GMDB) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - under the dash on the driver side, mounted up behind the lower trim near the kick panel / steering column area.
Accessed from the driver footwell by removing the lower dash knee bolster / under-dash trim panel to expose the module on its bracket, then disconnecting the harness connectors. No major dash teardown required.
- PART
- 84 (VERIFY GMDB)
- SECURITY
- None
- CODING
- Yes
- CLONE
- No
- NOTES
- Dual-zone auto climate (SLT+/Denali). GDS2 HVAC actuator calibration after replacement. Verify all zones operational.
84 (VERIFY GMDB) Verify by VIN 2020-2021
_years covers only 2020-2021 for this generation
Used/donor module guide
Compatible donor years: 2020, 2021
Always match the full part number before buying a used module.
Access
Located: Cabin - under the dash on the driver side, mounted up behind the lower trim near the kick panel / steering column area.
Accessed from the driver footwell by removing the lower dash knee bolster / under-dash trim panel to expose the module on its bracket, then disconnecting the harness connectors. No major dash teardown required.
- PART
- 84 (VERIFY GMDB)
- SECURITY
- None
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 HVAC actuator calibration after replacement. Verify all zones operational.
84 (VERIFY GMDB) Verify by VIN 2022-2026
_years covers only 2022-2026 for this generation
Used/donor module guide
Compatible donor years: 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - under the dash on the driver side, mounted up behind the lower trim near the kick panel / steering column area.
Accessed from the driver footwell by removing the lower dash knee bolster / under-dash trim panel to expose the module on its bracket, then disconnecting the harness connectors. No major dash teardown required.
- PART
- 84 (VERIFY GMDB)
- SECURITY
- None
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 HVAC actuator calibration after replacement.
Trailer Brake Control Module (if equipped) x4
23360 (APPROX - VERIFY GMDB) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - under the dash on the driver side, mounted up behind the lower trim near the kick panel / steering column area.
Accessed from the driver footwell by removing the lower dash knee bolster / under-dash trim panel to expose the module on its bracket, then disconnecting the harness connectors. No major dash teardown required.
- PART
- 23360 (APPROX - VERIFY GMDB)
- SECURITY
- None
- CODING
- Yes
- CLONE
- No
- NOTES
- Integrated trailer brake controller (available SLT+/Denali). GDS2 configuration for trailer type. User-adjustable gain via IOR interface. Verify 7-pin trailer connector function.
23360 (APPROX - VERIFY GMDB) Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
Access
Located: Cabin - under the dash on the driver side, mounted up behind the lower trim near the kick panel / steering column area.
Accessed from the driver footwell by removing the lower dash knee bolster / under-dash trim panel to expose the module on its bracket, then disconnecting the harness connectors. No major dash teardown required.
- PART
- 23360 (APPROX - VERIFY GMDB)
- SECURITY
- None
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 configuration for trailer type. User-adjustable gain via IOR. Verify 7-pin connector.
23360 (APPROX - VERIFY GMDB) Verify by VIN 2021
_years covers only 2021 for this generation
Used/donor module guide
Compatible donor years: 2021
Always match the full part number before buying a used module.
Access
Located: Cabin - under the dash on the driver side, mounted up behind the lower trim near the kick panel / steering column area.
Accessed from the driver footwell by removing the lower dash knee bolster / under-dash trim panel to expose the module on its bracket, then disconnecting the harness connectors. No major dash teardown required.
- PART
- 23360 (APPROX - VERIFY GMDB)
- SECURITY
- None
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 configuration for trailer type. IOR gain adjustment. Verify 7-pin connector.
23360 (APPROX - VERIFY GMDB) Verify by VIN 2022-2026
_years covers only 2022-2026 for this generation
Used/donor module guide
Compatible donor years: 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - under the dash on the driver side, mounted up behind the lower trim near the kick panel / steering column area.
Accessed from the driver footwell by removing the lower dash knee bolster / under-dash trim panel to expose the module on its bracket, then disconnecting the harness connectors. No major dash teardown required.
- PART
- 23360 (APPROX - VERIFY GMDB)
- SECURITY
- None
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 configuration. IOR gain adjustment. Verify 7-pin connector.
IPM (Integrated Power Module) Verify by VIN 2019 x1
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Cabin - under the dash on the driver side, mounted up behind the lower trim near the kick panel / steering column area.
Accessed from the driver footwell by removing the lower dash knee bolster / under-dash trim panel to expose the module on its bracket, then disconnecting the harness connectors. No major dash teardown required.
- PART
- 84 (VERIFY GMDB)
- SECURITY
- None
- CODING
- Yes
- CLONE
- No
- NOTES
- Fuse/relay distribution. SPS programming if module-equipped variant. Verify all circuits post-replacement.
TCU / TCM TRANSMISSION MODULES
TCU / TCM Transmission Modules
TCU - 8L90 8-Speed Auto Verify by VIN 2019 24289340
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Donor must match part family 24289340 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Inside the transmission - integrated into the valve body / control solenoid assembly of the 8-speed and 10-speed (10L80/10L90) automatics.
On this generation the TCM is internal to the transmission rather than a standalone underhood box, so reaching it means dropping the transmission pan / accessing the valve body assembly. There is no separate external module to unbolt for most builds.
Verify before relying on this - secondary sources only.
- PART
- 24289340
- PROTOCOL
- Bench
- CODING
- Yes
- CLONE
- Yes
- CHIP/MCU
- NXP MPC5746M
- NOTES
- New T1 platform. GM GDS2/MDI2 required. Dexron HP ATF. TCM relearn via scan tool.
TCU - 10L80 10-Speed Auto Verify by VIN 2019 24291766
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Donor must match part family 24291766 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Inside the transmission - integrated into the valve body / control solenoid assembly of the 8-speed and 10-speed (10L80/10L90) automatics.
On this generation the TCM is internal to the transmission rather than a standalone underhood box, so reaching it means dropping the transmission pan / accessing the valve body assembly. There is no separate external module to unbolt for most builds.
Verify before relying on this - secondary sources only.
- PART
- 24291766
- PROTOCOL
- Bench
- CODING
- Yes
- CLONE
- Yes
- CHIP/MCU
- NXP MPC5748G
- NOTES
- 10L80 for select V8 models. GM GDS2/MDI2 required. Mobil 1 Synthetic LV ATF HP. TCM relearn via scan tool.
TCU - 10L80 10-Speed Auto Verify by VIN 2020 24291766
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Donor must match part family 24291766 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Inside the transmission - integrated into the valve body / control solenoid assembly of the 8-speed and 10-speed (10L80/10L90) automatics.
On this generation the TCM is internal to the transmission rather than a standalone underhood box, so reaching it means dropping the transmission pan / accessing the valve body assembly. There is no separate external module to unbolt for most builds.
Verify before relying on this - secondary sources only.
- PART
- 24291766
- PROTOCOL
- Bench
- CODING
- Yes
- CLONE
- Yes
- CHIP/MCU
- NXP MPC5748G
- NOTES
- 10L80 for V8 models. GM GDS2/MDI2 required. Mobil 1 Synthetic LV ATF HP. TCM relearn via scan tool.
TCU - 10L80 10-Speed Auto Verify by VIN 2021 24291766
_years covers only 2021 for this generation
Used/donor module guide
Compatible donor years: 2021
Donor must match part family 24291766 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Inside the transmission - integrated into the valve body / control solenoid assembly of the 8-speed and 10-speed (10L80/10L90) automatics.
On this generation the TCM is internal to the transmission rather than a standalone underhood box, so reaching it means dropping the transmission pan / accessing the valve body assembly. There is no separate external module to unbolt for most builds.
Verify before relying on this - secondary sources only.
- PART
- 24291766
- PROTOCOL
- Bench
- CODING
- Yes
- CLONE
- Yes
- CHIP/MCU
- NXP MPC5748G
- NOTES
- GM GDS2/MDI2 required. Mobil 1 Synthetic LV ATF HP. TCM relearn via scan tool.
TCU - 10L80 10-Speed Auto Verify by VIN 2022-2023 24291766
_years covers only 2022-2023 for this generation
Used/donor module guide
Compatible donor years: 2022, 2023
Donor must match part family 24291766 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Inside the transmission - integrated into the valve body / control solenoid assembly of the 8-speed and 10-speed (10L80/10L90) automatics.
On this generation the TCM is internal to the transmission rather than a standalone underhood box, so reaching it means dropping the transmission pan / accessing the valve body assembly. There is no separate external module to unbolt for most builds.
Verify before relying on this - secondary sources only.
- PART
- 24291766
- PROTOCOL
- Bench
- CODING
- Yes
- CLONE
- No
- CHIP/MCU
- NXP MPC5748G
- NOTES
- GM GDS2/MDI2 required. Mobil 1 Synthetic LV ATF HP. Security access required. TCM relearn via scan tool.
TCU - 10L80 10-Speed Auto Verify by VIN 2024-2026 24291766
_years covers only 2024-2026 for this generation
Used/donor module guide
Compatible donor years: 2024, 2025, 2026
Donor must match part family 24291766 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Inside the transmission - integrated into the valve body / control solenoid assembly of the 8-speed and 10-speed (10L80/10L90) automatics.
On this generation the TCM is internal to the transmission rather than a standalone underhood box, so reaching it means dropping the transmission pan / accessing the valve body assembly. There is no separate external module to unbolt for most builds.
Verify before relying on this - secondary sources only.
- PART
- 24291766
- PROTOCOL
- Bench
- CODING
- Yes
- CLONE
- No
- CHIP/MCU
- NXP MPC5748G
- NOTES
- GM GDS2/MDI2 required. Mobil 1 Synthetic LV ATF HP. Enhanced security. TCM relearn required.
ABS / BRAKE MODULES
ABS / Brake Modules
Electronic Brake Control Module (EBCM) x4
84 (CONTINENTAL Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Engine bay - mounted on the brake hydraulic modulator near the master cylinder / left (driver) side of the engine compartment.
Located underhood at the ABS hydraulic unit; the EBCM is the electronic portion attached to the brake pressure modulator. Access is from the top of the engine bay near the master cylinder, with the harness connector unplugged from the module.
Verify before relying on this - secondary sources only.
- PART
- 84 (CONTINENTAL
- CLONE
- No
- NOTES
- GDS2 ABS/ESC initialization. 4-wheel brake bleed (GDS2 automated bleed or pressure bleed preferred). Steering angle sensor zero-point calibration: GDS2 SAS reset, then drive straight at 35+ mph on level surface. StabiliTrak warning remains until SAS learning completes.
84 (CONTINENTAL Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
Access
Located: Engine bay - mounted on the brake hydraulic modulator near the master cylinder / left (driver) side of the engine compartment.
Located underhood at the ABS hydraulic unit; the EBCM is the electronic portion attached to the brake pressure modulator. Access is from the top of the engine bay near the master cylinder, with the harness connector unplugged from the module.
Verify before relying on this - secondary sources only.
- PART
- 84 (CONTINENTAL
- CLONE
- No
- NOTES
- GDS2 ABS/ESC initialization. 4-wheel brake bleed. SAS zero-point calibration required - GDS2 reset then drive straight 35+ mph. StabiliTrak warning remains until SAS learning completes.
84 (CONTINENTAL Verify by VIN 2021
_years covers only 2021 for this generation
Used/donor module guide
Compatible donor years: 2021
Always match the full part number before buying a used module.
Access
Located: Engine bay - mounted on the brake hydraulic modulator near the master cylinder / left (driver) side of the engine compartment.
Located underhood at the ABS hydraulic unit; the EBCM is the electronic portion attached to the brake pressure modulator. Access is from the top of the engine bay near the master cylinder, with the harness connector unplugged from the module.
Verify before relying on this - secondary sources only.
- PART
- 84 (CONTINENTAL
- CLONE
- No
- NOTES
- GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive straight 35+ mph on level surface. StabiliTrak warning remains until SAS learning completes.
84 (CONTINENTAL Verify by VIN 2022-2026
_years covers only 2022-2026 for this generation
Used/donor module guide
Compatible donor years: 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Engine bay - mounted on the brake hydraulic modulator near the master cylinder / left (driver) side of the engine compartment.
Located underhood at the ABS hydraulic unit; the EBCM is the electronic portion attached to the brake pressure modulator. Access is from the top of the engine bay near the master cylinder, with the harness connector unplugged from the module.
Verify before relying on this - secondary sources only.
- PART
- 84 (CONTINENTAL
- CLONE
- No
- NOTES
- GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive straight 35+ mph. StabiliTrak warning remains until SAS learning completes.
Wheel Speed Sensor - Front (each) x3
13512 (APPROX - VERIFY GMDB) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Engine bay - mounted on the brake hydraulic modulator near the master cylinder / left (driver) side of the engine compartment.
Located underhood at the ABS hydraulic unit; the EBCM is the electronic portion attached to the brake pressure modulator. Access is from the top of the engine bay near the master cylinder, with the harness connector unplugged from the module.
Verify before relying on this - secondary sources only.
- PART
- 13512 (APPROX - VERIFY GMDB)
- CLONE
- No
- NOTES
- Active magnetic sensor. Torque to WSM spec.
13512 (APPROX - VERIFY GMDB) Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
Access
Located: Engine bay - mounted on the brake hydraulic modulator near the master cylinder / left (driver) side of the engine compartment.
Located underhood at the ABS hydraulic unit; the EBCM is the electronic portion attached to the brake pressure modulator. Access is from the top of the engine bay near the master cylinder, with the harness connector unplugged from the module.
Verify before relying on this - secondary sources only.
- PART
- 13512 (APPROX - VERIFY GMDB)
- CLONE
- No
- NOTES
- Active magnetic. Torque to WSM spec. GDS2 DTC clear + road test at 15+ mph.
13512 (APPROX - VERIFY GMDB) Verify by VIN 2021-2026
_years covers only 2021-2026 for this generation
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Engine bay - mounted on the brake hydraulic modulator near the master cylinder / left (driver) side of the engine compartment.
Located underhood at the ABS hydraulic unit; the EBCM is the electronic portion attached to the brake pressure modulator. Access is from the top of the engine bay near the master cylinder, with the harness connector unplugged from the module.
Verify before relying on this - secondary sources only.
- PART
- 13512 (APPROX - VERIFY GMDB)
- CLONE
- No
- NOTES
- Active magnetic. Torque to spec. GDS2 DTC clear + road test 15+ mph.
Wheel Speed Sensor - Rear (each) x2
13512 REAR VARIANT (APPROX - VERIFY GMDB) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Engine bay - mounted on the brake hydraulic modulator near the master cylinder / left (driver) side of the engine compartment.
Located underhood at the ABS hydraulic unit; the EBCM is the electronic portion attached to the brake pressure modulator. Access is from the top of the engine bay near the master cylinder, with the harness connector unplugged from the module.
Verify before relying on this - secondary sources only.
- PART
- 13512 REAR VARIANT (APPROX - VERIFY GMDB)
- CLONE
- No
- NOTES
- Same procedure as front WSS. GDS2 DTC clear + road test.
13512 REAR VARIANT (VERIFY GMDB) Verify by VIN 2020-2026
_years covers only 2020-2026 for this generation
Used/donor module guide
Compatible donor years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Engine bay - mounted on the brake hydraulic modulator near the master cylinder / left (driver) side of the engine compartment.
Located underhood at the ABS hydraulic unit; the EBCM is the electronic portion attached to the brake pressure modulator. Access is from the top of the engine bay near the master cylinder, with the harness connector unplugged from the module.
Verify before relying on this - secondary sources only.
- PART
- 13512 REAR VARIANT (VERIFY GMDB)
- CLONE
- No
- NOTES
- Same procedure as front WSS.
Brake Pressure Modulator (HCU) x3
84 (VERIFY GMDB) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
Access
Located: Engine bay - mounted on the brake hydraulic modulator near the master cylinder / left (driver) side of the engine compartment.
Located underhood at the ABS hydraulic unit; the EBCM is the electronic portion attached to the brake pressure modulator. Access is from the top of the engine bay near the master cylinder, with the harness connector unplugged from the module.
Verify before relying on this - secondary sources only.
- PART
- 84 (VERIFY GMDB)
- CLONE
- No
- NOTES
- GDS2 automated bleed sequence preferred after HCU replacement. Verify firm pedal - no spongy pedal before road test.
84 (VERIFY GMDB) Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
Access
Located: Engine bay - mounted on the brake hydraulic modulator near the master cylinder / left (driver) side of the engine compartment.
Located underhood at the ABS hydraulic unit; the EBCM is the electronic portion attached to the brake pressure modulator. Access is from the top of the engine bay near the master cylinder, with the harness connector unplugged from the module.
Verify before relying on this - secondary sources only.
- PART
- 84 (VERIFY GMDB)
- CLONE
- No
- NOTES
- GDS2 automated bleed preferred after HCU replacement. Verify firm pedal before road test.
84 (VERIFY GMDB) Verify by VIN 2021-2026
_years covers only 2021-2026 for this generation
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Engine bay - mounted on the brake hydraulic modulator near the master cylinder / left (driver) side of the engine compartment.
Located underhood at the ABS hydraulic unit; the EBCM is the electronic portion attached to the brake pressure modulator. Access is from the top of the engine bay near the master cylinder, with the harness connector unplugged from the module.
Verify before relying on this - secondary sources only.
- PART
- 84 (VERIFY GMDB)
- CLONE
- No
- NOTES
- GDS2 automated bleed preferred. Verify firm pedal before road test.
OTHER MODULES (IPC, SAS)
Other Modules (IPC, SAS)
Instrument Panel Cluster (IPC) x12
84510481 Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Donor must match part family 84510481 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Cabin - in the dash directly in front of the driver, behind the cluster trim bezel.
The instrument-panel trim bezel is unclipped/pulled rearward, then the cluster is unscrewed from the dash carrier and tilted out. A single wiring harness connector at the back is disconnected.
- PART
- 84510481
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
84510482 Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Donor must match part family 84510482 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Cabin - in the dash directly in front of the driver, behind the cluster trim bezel.
The instrument-panel trim bezel is unclipped/pulled rearward, then the cluster is unscrewed from the dash carrier and tilted out. A single wiring harness connector at the back is disconnected.
- PART
- 84510482
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
84597926 Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Donor must match part family 84597926 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Cabin - in the dash directly in front of the driver, behind the cluster trim bezel.
The instrument-panel trim bezel is unclipped/pulled rearward, then the cluster is unscrewed from the dash carrier and tilted out. A single wiring harness connector at the back is disconnected.
- PART
- 84597926
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
84608346 Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Donor must match part family 84608346 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Cabin - in the dash directly in front of the driver, behind the cluster trim bezel.
The instrument-panel trim bezel is unclipped/pulled rearward, then the cluster is unscrewed from the dash carrier and tilted out. A single wiring harness connector at the back is disconnected.
- PART
- 84608346
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
84578513 Verify by VIN 2021-2022
_years covers only 2021-2022 for this generation
Used/donor module guide
Compatible donor years: 2021, 2022
Donor must match part family 84578513 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Cabin - in the dash directly in front of the driver, behind the cluster trim bezel.
The instrument-panel trim bezel is unclipped/pulled rearward, then the cluster is unscrewed from the dash carrier and tilted out. A single wiring harness connector at the back is disconnected.
- PART
- 84578513
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
84911492 Verify by VIN 2021-2022
_years covers only 2021-2022 for this generation
Used/donor module guide
Compatible donor years: 2021, 2022
Donor must match part family 84911492 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Cabin - in the dash directly in front of the driver, behind the cluster trim bezel.
The instrument-panel trim bezel is unclipped/pulled rearward, then the cluster is unscrewed from the dash carrier and tilted out. A single wiring harness connector at the back is disconnected.
- PART
- 84911492
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
84960258 Verify by VIN 2022-2023
_years covers only 2022-2023 for this generation
Used/donor module guide
Compatible donor years: 2022, 2023
Donor must match part family 84960258 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Cabin - in the dash directly in front of the driver, behind the cluster trim bezel.
The instrument-panel trim bezel is unclipped/pulled rearward, then the cluster is unscrewed from the dash carrier and tilted out. A single wiring harness connector at the back is disconnected.
- PART
- 84960258
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
84960253 Verify by VIN 2022-2023
_years covers only 2022-2023 for this generation
Used/donor module guide
Compatible donor years: 2022, 2023
Donor must match part family 84960253 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Cabin - in the dash directly in front of the driver, behind the cluster trim bezel.
The instrument-panel trim bezel is unclipped/pulled rearward, then the cluster is unscrewed from the dash carrier and tilted out. A single wiring harness connector at the back is disconnected.
- PART
- 84960253
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85012310 Verify by VIN 2023-2024
_years covers only 2023-2024 for this generation
Used/donor module guide
Compatible donor years: 2023, 2024
Donor must match part family 85012310 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Cabin - in the dash directly in front of the driver, behind the cluster trim bezel.
The instrument-panel trim bezel is unclipped/pulled rearward, then the cluster is unscrewed from the dash carrier and tilted out. A single wiring harness connector at the back is disconnected.
- PART
- 85012310
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85766102 Verify by VIN 2024-2025
_years covers only 2024-2025 for this generation
Used/donor module guide
Compatible donor years: 2024, 2025
Donor must match part family 85766102 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Cabin - in the dash directly in front of the driver, behind the cluster trim bezel.
The instrument-panel trim bezel is unclipped/pulled rearward, then the cluster is unscrewed from the dash carrier and tilted out. A single wiring harness connector at the back is disconnected.
- PART
- 85766102
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
86516860 Verify by VIN 2024-2025
_years covers only 2024-2025 for this generation
Used/donor module guide
Compatible donor years: 2024, 2025
Donor must match part family 86516860 - requires cloning
Always match the full part number before buying a used module.
Access
Located: Cabin - in the dash directly in front of the driver, behind the cluster trim bezel.
The instrument-panel trim bezel is unclipped/pulled rearward, then the cluster is unscrewed from the dash carrier and tilted out. A single wiring harness connector at the back is disconnected.
- PART
- 86516860
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85X Verify by VIN 2026
_years covers only 2026 for this generation
Used/donor module guide
Compatible donor years: 2026
Donor must match part family 85X - requires cloning
Always match the full part number before buying a used module.
Access
Located: Cabin - in the dash directly in front of the driver, behind the cluster trim bezel.
The instrument-panel trim bezel is unclipped/pulled rearward, then the cluster is unscrewed from the dash carrier and tilted out. A single wiring harness connector at the back is disconnected.
- PART
- 85X
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
Steering Angle Sensor (SAS) x3
Part 1 Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
- CODING
- Yes
- NOTES
- INTEGRATED (clock spring / steering column module
Part 2 Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
- CODING
- Yes
- NOTES
- cross-year extension)
Part 3 Verify by VIN 2020-2026
_years covers only 2020-2026 for this generation
Used/donor module guide
Compatible donor years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- CODING
- Yes
- NOTES
- INTEGRATED (SCM clock spring)
CONNECTIVITY & ACCESSORIES
Connectivity & Accessories
Other x15
84 (VERIFY GMDB) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
- PART
- 84 (VERIFY GMDB)
- NOTES
- GDS2 OnStar initialization. Active OnStar subscription required for remote features. Modem VIN-tied - replacement requires GDS2 + OnStar reactivation.
23360 (APPROX - VERIFY GMDB) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
- PART
- 23360 (APPROX - VERIFY GMDB)
- NOTES
- GDS2 configuration for trailer type/weight. 7-pin trailer connector verification. IOR gain adjustment interface.
(BCM PARAMETER - RPO UF8) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
- PART
- (BCM PARAMETER - RPO UF8)
- NOTES
- BCM AsBuilt parameter for remote start enable. GDS2 BCM configuration. OEM remote start via RKE 433.92MHz fob sequence.
Part 4 Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
- NOTES
- Denali exclusive. Multiple camera views for trailering. GDS2 BCM configuration for trailering camera package.
84 (VERIFY GMDB) Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
- PART
- 84 (VERIFY GMDB)
- NOTES
- GDS2 OnStar initialization. Active OnStar subscription required. Modem VIN-tied.
23360 (APPROX - VERIFY GMDB) Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
- PART
- 23360 (APPROX - VERIFY GMDB)
- NOTES
- GDS2 trailer type configuration. 7-pin connector verify. IOR gain adjustment.
(BCM PARAMETER - RPO UF8) Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
- PART
- (BCM PARAMETER - RPO UF8)
- NOTES
- BCM AsBuilt parameter for remote start. GDS2 BCM configuration. RKE 433.92MHz fob sequence.
84 (VERIFY GMDB) Verify by VIN 2021
_years covers only 2021 for this generation
Used/donor module guide
Compatible donor years: 2021
Always match the full part number before buying a used module.
- PART
- 84 (VERIFY GMDB)
- NOTES
- GDS2 OnStar initialization. Active subscription required for OTA updates and remote features. Modem VIN-tied.
23360 (APPROX - VERIFY GMDB) Verify by VIN 2021-2026
_years covers only 2021-2026 for this generation
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- PART
- 23360 (APPROX - VERIFY GMDB)
- NOTES
- GDS2 trailer type configuration. IOR gain adjustment. 7-pin connector verify.
(BCM PARAMETER - RPO UF8) Verify by VIN 2021-2026
_years covers only 2021-2026 for this generation
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- PART
- (BCM PARAMETER - RPO UF8)
- NOTES
- BCM AsBuilt parameter for remote start. GDS2 BCM configuration.
Part 11 Verify by VIN 2021
_years covers only 2021 for this generation
Used/donor module guide
Compatible donor years: 2021
Always match the full part number before buying a used module.
- NOTES
- 6-function MultiPro Tailgate with inner gate camera on Denali/AT4. Verify all camera connections and tailgate latch operation after any tailgate service. BCM parameter configuration required.
84 (VERIFY GMDB) Verify by VIN 2022
_years covers only 2022 for this generation
Used/donor module guide
Compatible donor years: 2022
Always match the full part number before buying a used module.
- PART
- 84 (VERIFY GMDB)
- NOTES
- Active OnStar subscription required for Super Cruise on Denali Ultimate. Also required for OTA updates and remote features. Modem VIN-tied - GDS2 + OnStar reactivation after replacement.
Part 13 Verify by VIN 2022
_years covers only 2022 for this generation
Used/donor module guide
Compatible donor years: 2022
Always match the full part number before buying a used module.
- NOTES
- Hands-free highway driving. Requires RPO KSG in BCM. GDS2 + TIS2WEB initialization after any sensor replacement. Active OnStar subscription and LiDAR map data required. Verify Super Cruise engage/disengage on highway post-service.
84 (VERIFY GMDB) Verify by VIN 2023-2026
_years covers only 2023-2026 for this generation
Used/donor module guide
Compatible donor years: 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- PART
- 84 (VERIFY GMDB)
- NOTES
- Active OnStar subscription required for Super Cruise, OTA updates, and remote features. Modem VIN-tied.
Part 15 Verify by VIN 2023-2026
_years covers only 2023-2026 for this generation
Used/donor module guide
Compatible donor years: 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- NOTES
- Hands-free highway driving. Requires RPO KSG in BCM. GDS2 + TIS2WEB initialization after sensor replacement. LiDAR map data and active OnStar required.
Module part numbers by generation
11 full part numbers across 18 module groups for this generation.
Electronic Brake Control Module
-
86788483Anti-Lock Brakes Control Module
Electronic Brake Control Module
-
86788483Anti-Lock Brakes
Forward Looking Camera
-
86792353Lane Departure Warning camera; labeled 84742989 or 84774375; order by vehicle application
Forward Looking Camera
-
86792353Lane Departure Warning; labeled 84742989 or 84774375; Order By Vehicle Application.
Video Processing / Collision Avoidance Module
-
84995709Lane Departure Warning; without 360 View; order by vehicle application -
85004218Lane Departure Warning; with 360 View; order by vehicle application
Body Control Module
-
13531840Controls -
13553311Controls
Body Control Module and Serial Data Gateway
-
13531840Body Control Module; Controls -
13553311Serial Data Gateway Module; Controls
Collision Avoidance Module
-
84995709Lane Departure Warning; Order By Vehicle Application. -
85004218Lane Departure Warning; Order By Vehicle Application.
Control Module, A/T
-
2404979010-speed, 6-speed, and 8-speed automatic transmission listings
Control Module, Transfer Case
-
86779724Transfer Case
Engine Control Module
-
12725132Powertrain Control
Engine Control Module (ECM / PCM)
-
12725132Powertrain Control ECM
Parking Assist Control Module
-
84421595Parking Aid Control Module
Parking Assist Control Module
-
84421595Parking Aid
Air Bag Control Module
-
13524234Supplemental Restraint System
Supplemental Restraint System SDM Module
-
13524234Supplemental Restraint System SDM Module
Transmission Control Module
-
24049790A/T control module; 10-speed, 6-speed, and 8-speed listings
Transfer Case Control Module
-
86779724Transfer Case Control Module
22 gateway, immobilizer, and security items documented across the 2019-2026 generation.
GATEWAY / SECURITY MODULES
Gateway / Security Modules
Central Gateway Module Dealer security required
vin_locked indicates immobilizer or VIN security
Used/donor module guide
Compatible donor years: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - under the driver-side dash, near/left of the brake pedal behind the lower dash trim.
Reached from the driver footwell by removing the lower dash trim panel (and on some builds a lower vent duct) to expose the gateway module on its bracket, then unplugging the connectors.
Verify before relying on this - secondary sources only.
- SECURITY
- VIN-locked (UDS)
- VIN LOCKED
- Yes
- CODING
- Yes
- CHIP/MCU
- D70F3558(read-write)
- NOTES
- Compatibility label: Buick. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).
Central Gateway Module Dealer security required
vin_locked indicates immobilizer or VIN security
Used/donor module guide
Compatible donor years: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - under the driver-side dash, near/left of the brake pedal behind the lower dash trim.
Reached from the driver footwell by removing the lower dash trim panel (and on some builds a lower vent duct) to expose the gateway module on its bracket, then unplugging the connectors.
Verify before relying on this - secondary sources only.
- SECURITY
- VIN-locked (UDS)
- VIN LOCKED
- Yes
- CODING
- Yes
- CHIP/MCU
- 2015- 1M12S
- NOTES
- Compatibility label: CRUZE. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).
Central Gateway Module Dealer security required
vin_locked indicates immobilizer or VIN security
Used/donor module guide
Compatible donor years: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - under the driver-side dash, near/left of the brake pedal behind the lower dash trim.
Reached from the driver footwell by removing the lower dash trim panel (and on some builds a lower vent duct) to expose the gateway module on its bracket, then unplugging the connectors.
Verify before relying on this - secondary sources only.
- SECURITY
- VIN-locked (UDS)
- VIN LOCKED
- Yes
- CODING
- Yes
- CHIP/MCU
- 2015- 1M12S
- NOTES
- Compatibility label: Cavalier. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).
Central Gateway Module Dealer security required
vin_locked indicates immobilizer or VIN security
Used/donor module guide
Compatible donor years: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - under the driver-side dash, near/left of the brake pedal behind the lower dash trim.
Reached from the driver footwell by removing the lower dash trim panel (and on some builds a lower vent duct) to expose the gateway module on its bracket, then unplugging the connectors.
Verify before relying on this - secondary sources only.
- SECURITY
- VIN-locked (UDS)
- VIN LOCKED
- Yes
- CODING
- Yes
- CHIP/MCU
- D70F3385(read-write)
- NOTES
- Compatibility label: Chevrolet. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).
Central Gateway Module Dealer security required
vin_locked indicates immobilizer or VIN security
Used/donor module guide
Compatible donor years: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - under the driver-side dash, near/left of the brake pedal behind the lower dash trim.
Reached from the driver footwell by removing the lower dash trim panel (and on some builds a lower vent duct) to expose the gateway module on its bracket, then unplugging the connectors.
Verify before relying on this - secondary sources only.
- SECURITY
- VIN-locked (UDS)
- VIN LOCKED
- Yes
- CODING
- Yes
- CHIP/MCU
- 2015- 1M12S
- NOTES
- Compatibility label: Excelle. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).
Central Gateway Module Dealer security required
vin_locked indicates immobilizer or VIN security
Used/donor module guide
Compatible donor years: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
Access
Located: Cabin - under the driver-side dash, near/left of the brake pedal behind the lower dash trim.
Reached from the driver footwell by removing the lower dash trim panel (and on some builds a lower vent duct) to expose the gateway module on its bracket, then unplugging the connectors.
Verify before relying on this - secondary sources only.
- SECURITY
- VIN-locked (UDS)
- VIN LOCKED
- Yes
- CODING
- Yes
- CHIP/MCU
- 2015- 1M12S
- NOTES
- Compatibility label: SAIL. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).
KEY SECURITY & IMMOBILIZER
Key Security & Immobilizer
- System GM PASS-Key III+ (T1XX Gen 3)
- Add Key Yes
- All Keys Lost Yes
GM SecureConnect Gen 3 - PASS-Key III+ transponder, PKE passive entry (Denali), RKE 433.92MHz 128-bit rolling code; no OBD pin extraction; AKL via GDS2 + TIS2WEB dealer authorization
IMMOBILIZER MODULES
Immobilizer Modules
PassKey III+ Immobilizer x3
84252 (APTIV - VERIFY GMDB) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Donor must match part family 84252 (APTIV - VERIFY GMDB); VIN-locked
Always match the full part number before buying a used module.
- PART
- 84252 (APTIV - VERIFY GMDB)
- SECURITY
- PASS-Key III+
- NOTES
- Replacement erases all keys. SPS programming (TIS2WEB) + key relearn with ALL customer keys present mandatory.
84252 (APTIV - VERIFY GMDB) Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Donor must match part family 84252 (APTIV - VERIFY GMDB); VIN-locked
Always match the full part number before buying a used module.
- PART
- 84252 (APTIV - VERIFY GMDB)
- SECURITY
- PASS-Key III+
- NOTES
- Replacement erases all keys. SPS programming (TIS2WEB) + key relearn with ALL customer keys mandatory.
84252 (APTIV - VERIFY GMDB) Verify by VIN 2021-2026
_years covers only 2021-2026 for this generation
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Donor must match part family 84252 (APTIV - VERIFY GMDB); VIN-locked
Always match the full part number before buying a used module.
- PART
- 84252 (APTIV - VERIFY GMDB)
- SECURITY
- PASS-Key III+
- NOTES
- Replacement erases all keys. SPS programming (TIS2WEB) + key relearn with ALL customer keys present mandatory.
ECM (PASS-Key Security Seed) x3
12694, 12697 (ENGINE-DEPENDENT - VERIFY GMDB) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
- PART
- 12694, 12697 (ENGINE-DEPENDENT - VERIFY GMDB)
- SECURITY
- PASS-Key III+
- NOTES
- ECM paired to BCM for PASS-Key III+ security. SPS programming after ECM replacement includes security parameter transfer. No standalone relearn without TIS2WEB.
12694, 12697, 12708 (ENGINE-DEPENDENT - VERIFY GMDB) Verify by VIN 2020-2021
_years covers only 2020-2021 for this generation
Used/donor module guide
Compatible donor years: 2020, 2021
Always match the full part number before buying a used module.
- PART
- 12694, 12697, 12708 (ENGINE-DEPENDENT - VERIFY GMDB)
- SECURITY
- PASS-Key III+
- NOTES
- ECM paired to BCM for PASS-Key III+ security. SPS programming after ECM replacement includes security parameter transfer. No standalone relearn without TIS2WEB.
12694, 12697, 12708 (ENGINE-DEPENDENT - VERIFY GMDB) Verify by VIN 2022-2026
_years covers only 2022-2026 for this generation
Used/donor module guide
Compatible donor years: 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- PART
- 12694, 12697, 12708 (ENGINE-DEPENDENT - VERIFY GMDB)
- SECURITY
- PASS-Key III+
- NOTES
- ECM paired to BCM for PASS-Key III+ security. SPS programming after ECM replacement includes security parameter transfer.
Key Fob / Transponder x2
13508771 OR CURRENT GM NUMBER (VERIFY GMDB) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
- PART
- 13508771 OR CURRENT GM NUMBER (VERIFY GMDB)
- SECURITY
- PASS-Key III+ rolling code
- NOTES
- GDS2 + TIS2WEB dealer authorization for add key or AKL. No OBD pin extraction. Rolling 128-bit code - sync via GDS2 if key desynchronized after battery replacement.
13508771 OR CURRENT GM NUMBER (VERIFY GMDB) Verify by VIN 2020-2026
_years covers only 2020-2026 for this generation
Used/donor module guide
Compatible donor years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- PART
- 13508771 OR CURRENT GM NUMBER (VERIFY GMDB)
- SECURITY
- PASS-Key III+ rolling code
- NOTES
- GDS2 + TIS2WEB dealer authorization for add key or AKL. No OBD pin extraction.
KEY & FOB TYPES
Key & Fob Types
Other x8
13508771 (OR CURRENT GM NUMBER - VERIFY GMDB) Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
- PART
- 13508771 (OR CURRENT GM NUMBER - VERIFY GMDB)
- NOTES
- 433.92MHz RKE. Passive entry on Denali/AT4. GDS2 + TIS2WEB dealer authorization for add key or AKL. Rolling 128-bit code. Battery CR2032. AKL erases all keys - all customer keys must be present for re-registration.
Part 2 Verify by VIN 2019
_years covers only 2019 for this generation
Used/donor module guide
Compatible donor years: 2019
Always match the full part number before buying a used module.
- NOTES
- Blade inside fob for door lock only. Does NOT bypass PASS-Key III+ for engine start. Cut to VIN key code.
13508771 (OR CURRENT GM NUMBER - VERIFY GMDB) Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
- PART
- 13508771 (OR CURRENT GM NUMBER - VERIFY GMDB)
- NOTES
- 433.92MHz RKE. PKE passive entry on Denali/AT4. GDS2 + TIS2WEB dealer auth for add key or AKL. Battery CR2032. AKL erases all keys - all customer keys must be present.
Part 4 Verify by VIN 2020
_years covers only 2020 for this generation
Used/donor module guide
Compatible donor years: 2020
Always match the full part number before buying a used module.
- NOTES
- Door lock only. Does NOT bypass PASS-Key III+ for engine start.
13508771 (OR CURRENT GM NUMBER - VERIFY GMDB) Verify by VIN 2021
_years covers only 2021 for this generation
Used/donor module guide
Compatible donor years: 2021
Always match the full part number before buying a used module.
- PART
- 13508771 (OR CURRENT GM NUMBER - VERIFY GMDB)
- NOTES
- 433.92MHz RKE. PKE passive entry on Denali/AT4. GDS2 + TIS2WEB dealer auth for add key or AKL. Battery CR2032.
Part 6 Verify by VIN 2021-2026
_years covers only 2021-2026 for this generation
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- NOTES
- Door lock only. Does NOT bypass PASS-Key III+.
13508771 (OR CURRENT GM NUMBER - VERIFY GMDB) Verify by VIN 2022
_years covers only 2022 for this generation
Used/donor module guide
Compatible donor years: 2022
Always match the full part number before buying a used module.
- PART
- 13508771 (OR CURRENT GM NUMBER - VERIFY GMDB)
- NOTES
- 433.92MHz RKE. PKE passive entry on Denali/AT4/Denali Ultimate. GDS2 + TIS2WEB dealer auth for add key or AKL. Battery CR2032. AKL erases all keys.
13508771 (OR CURRENT GM NUMBER - VERIFY GMDB) Verify by VIN 2023-2026
_years covers only 2023-2026 for this generation
Used/donor module guide
Compatible donor years: 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- PART
- 13508771 (OR CURRENT GM NUMBER - VERIFY GMDB)
- NOTES
- 433.92MHz RKE. PKE passive entry on Denali/AT4/Denali Ultimate. GDS2 + TIS2WEB dealer auth for add key or AKL. Battery CR2032.
Replacement Notes
BCM replacement requires SPS programming (TIS2WEB) + PASS-Key III+ relearn with all customer keys present. ECM replacement: SPS programming + VIN tie + PASS-Key parameter transfer. No key pin extraction via OBD. AKL: GDS2 + TIS2WEB dealer authorization required.
ARCHITECTURE & CONNECTIVITY
Architecture & Connectivity
- Body Construction
- Mixed material; high-strength steel frame; aluminum hood/doors
- OBD Protocol
- ISO 15765-4 CAN (500 kbps HS-CAN)
- CAN Architecture
- GMLAN (HS-CAN 500kbps + MS-CAN 33.3kbps); OBD2 DLC Pin 6/14 HS-CAN 500kbps
- Infotainment
- GMC Infotainment 3 (IOR) - 8" touchscreen; Apple CarPlay + Android Auto standard
- OTA Capable
- No
- Infotainment Name
- GMC IntelliLink
- ECU/TCM Unlocking
- Contact us
- ECU/TCM Flashing
- Contact us
- Cylinder Deactivation Delete (DFM Delete)
- Confirmed
Reviewed coverage: 2022 - 5.3L V8, 6.2L V8.
Confirm the 5.3L V8 and DFM equipment by VIN before service. Confirm the 6.2L V8 and DFM equipment by VIN before service.
Confirmation is limited to reviewed year/engine rows; other variants require confirmation.
WHAT WE RESOLVE
4th Gen T1XX (2019-2026) common module and ADAS issues
- ADAS calibration drift Watch for calibration needs after windshield, bumper, suspension, camera, or radar work. Documented systems include Forward Camera (Monocular) (2019), Forward Radar (77GHz) (2019), Blind Spot Monitor Sensor - Left (BSM) (2019), and Blind Spot Monitor Sensor - Right (BSM) (2019). Year-marked systems apply only to the shown range.
- SRS crash-data and warning light SRS service can involve Sensing & Diagnostic Module (SDM) (2019), Sensing & Diagnostic Module (SDM) (2019-2021, 2023), and Sensing & Diagnostic Module (SDM) (2019-2021). Part numbers and crash-data workflow are confirmed for the exact year/VIN.
- Replacement module setup ECU/PCM replacement programming, BCM configuration, TCU/TCM cloning, ABS/EBCM setup are represented in the merged generation data. Rows with year ranges do not apply to every model year; verify by VIN.
- Gateway, key, and immobilizer access Gateway, key, and immobilizer procedures are represented by 22 merged security records. Access and all-keys-lost support varies by year - verify by VIN.
FREQUENTLY ASKED QUESTIONS
FAQ
Can you program GMC Sierra 1500 (2019-2026) modules?
Yes. Core Auto Logic supports generation-scoped module programming for the GMC Sierra 1500 (2019-2026). The merged generation data includes ECU/PCM, BCM, TCU/TCM, ABS/EBCM, and SRS coverage. Rows marked with a year range apply only to that part of the span; unmarked rows are present across the merged generation data.
Which modules are documented for GMC Sierra 1500 (2019-2026)?
The GMC Sierra 1500 (2019-2026) generation currently shows 78 core module records across ECU/PCM, BCM, TCU/TCM, ABS/EBCM, and SRS groups. SRS modules include Sensing & Diagnostic Module (SDM) (2019), Sensing & Diagnostic Module (SDM) (2019-2021, 2023), and Sensing & Diagnostic Module (SDM) (2019-2021). Part numbers and module variants must be confirmed for your exact year/VIN. Reference part number: 84057079 (2019) - confirm for your exact year/VIN.
Does GMC Sierra 1500 (2019-2026) need ADAS calibration after glass or collision work?
The merged generation data documents 22 ADAS systems, including Forward Camera (Monocular) (2019), Forward Radar (77GHz) (2019), Blind Spot Monitor Sensor - Left (BSM) (2019), Blind Spot Monitor Sensor - Right (BSM) (2019), and HD Rear Camera (2019). Calibration triggers include Windshield Replacement (if Forward Camera Equipped) (2019), Forward Camera Replacement (2019), Forward Radar Replacement (2019), and BZA Rear Radar Replacement (either side) (2019). Procedure type is VIN-specific scan-tool procedure; verify exact requirements by VIN before setup.
Can you reset the airbag module on GMC Sierra 1500 (2019-2026)?
Yes. The generation data includes 29 SRS records, including Sensing & Diagnostic Module (SDM) (2019), Sensing & Diagnostic Module (SDM) (2019-2021, 2023), and Sensing & Diagnostic Module (SDM) (2019-2021). Bench reset, cloning, and replacement setup are handled after part-number review. Any SRS part number shown for this generation is planning data only - confirm for your exact year/VIN. Reference part number: 84057079 (2019) - confirm for your exact year/VIN.
Do all GMC Sierra 1500 (2019-2026) years use the same parts?
No assumption should be made across the full span. The generation page merges rows across 2019-2026; any row that does not span all data-bearing years is printed with its year range or treated as varies by year - verify by VIN. Part numbers always require exact year/VIN confirmation before ordering, cloning, or programming.
Can you program keys or immobilizer systems for GMC Sierra 1500 (2019-2026)?
Yes, where the VIN and security workflow support it. The generation data includes 22 gateway, immobilizer, or key-security records. Gateway modules include Central Gateway Module. Key records are present in the merged generation data. Security access, all-keys-lost eligibility, and add-key workflows vary by year - verify by VIN.
How long does service take for GMC Sierra 1500 (2019-2026)?
Most programming, cloning, SRS, and calibration jobs are quoted after VIN, DTC, part number, and repair-scope review. Labor time varies by year - verify by VIN before scheduling. Mail-in module intake is temporarily unavailable; do not ship a module unless support confirms next steps.
Is GMC Sierra 1500 (2019-2026) service mobile or mail-in?
Mobile service covers DFW on-vehicle diagnostics, key programming, post-repair coding, and supported module work. Mail-in module intake is temporarily unavailable. We confirm the active path for your exact year/VIN before scheduling; do not ship a module unless support confirms next steps.
More Sierra 1500 generations
GMT800 1999-2006 2nd Gen GMT900 2007-2013 3rd Gen K2XX 2014-2018 4th Gen T1XX 2019-2026 You are here