VIN / Build Split
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.
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2020 GMC Acadia Supported Services
2020 GMC Acadia
ADAS calibration, module programming, and security relearns
Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements.
Technical snapshot
- Platform C1XX (2nd Gen Acadia, 2020)
- CAN Architecture GMLAN (HS-CAN 500kbps + MS-CAN 33.3kbps); OBD2 DLC Pin 6/14 HS-CAN 500kbps
- Security GM PASS-Key III+ - BCM transponder, RKE 315MHz 128-bit rolling code; no OBD pin extraction; AKL via GDS2 + TIS2WEB dealer authorization
OVERVIEW
Expert ADAS calibration, module programming, and diagnostic recovery for the 2020 GMC Acadia. On this vehicle we cover documented systems include Forward Camera (Monocular), Forward Radar (77GHz), and Blind Spot Monitor Sensor - Left (BSM), this C1XX (2nd Gen Acadia, 2020) platform vehicle, GM PASS-Key III+ immobilizer support, GMC Infotainment 3 infotainment programming. Mobile across the DFW Metroplex; mail-in module work is temporarily unavailable.
Platform
C1XX (2nd Gen Acadia, 2020)
Production
2007-present
Trim Levels
Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements.
Drivetrain
FWD / AWD
Engine
-
CAN Speed
GMLAN (HS-CAN 500kbps + MS-CAN 33.3kbps); OBD2 DLC Pin 6/14 HS-CAN 500kbps
YEAR-SPECIFIC NOTES
Infotainment
GMC Infotainment 3
Exact-year service summary for 2020 GMC Acadia
ADAS coverage
This 2020 GMC Acadia page documents 5 ADAS systems, including Forward Camera (Monocular), Forward Radar (77GHz), Blind Spot Monitor Sensor - Left (BSM), and Blind Spot Monitor Sensor - Right (BSM).
View ADAS dataCalibration triggers
Documented calibration triggers include Windshield Replacement (if Forward Camera Equipped), Forward Camera Replacement, Forward Radar Replacement, and BCM Replacement. Use the ADAS tab for the full trigger list.
View triggersProgrammable modules
This page indexes 24 programmable module records across SRS, ECU, BCM, TCU/TCM, ABS, and IPC coverage.
View modulesGateway and security
This page includes 11 gateway, immobilizer, or key-security records for this 2020 GMC Acadia.
View securityCore Auto Logic capability
Core Auto Logic supports exact-year diagnostics, ADAS calibration, module programming, and security-access planning for the 2020 GMC Acadia using the documented systems and module data on this page.
Choose a sectionWhat changes on this exact year
Feature availability
Available SLT+/Denali: Forward Collision Alert/Automatic Emergency Braking, Lane - Available; Immobilizer: GM PASS-Key III+ - Standard; Platform: C1XX (2nd Gen Acadia, 2020) - Confirmed
Driver-assist suite
Available SLT+/Denali: Forward Collision Alert/Automatic Emergency Braking, Lane Change Alert w/Blind Spot Monitoring, Rear Cross-Traffic Alert, HD Rear Camera, Lane Keep Assist (Denali)
VIN and build split
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.
Infotainment context
GMC Infotainment 3; GMC Infotainment 3 - 7" or 8" touchscreen; Apple CarPlay + Android Auto standard; wireless CarPlay/AA on SLT+/Denali
Network and access
CAN: GMLAN (HS-CAN 500kbps + MS-CAN 33.3kbps); OBD2 DLC Pin 6/14 HS-CAN 500kbps
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.
Choose a section to view data
SUPPORTED SYSTEMS
What we service on this vehicle
Documented module coverage for the 2020 GMC Acadia. Counts reflect modules our techs have programmed or calibrated on this exact platform.
ADAS Calibration
5 modules documented
Forward camera, radar, surround-view and lane-keep recalibration after windshield, suspension or fascia work.
Open ADAS tabEngine / ECU Programming
4 modules documented
Powertrain reprogramming, calibration updates, replacement ECU configuration and security access.
Open Modules tabBCM / Body Programming
2 modules documented
Body control module, gateway and accessory programming. Includes feature-bit reconfiguration.
Open Modules tabGateway / Security Access
6 modules documented
Secure gateway module identification, bypass workflow and security-access planning before programming.
Open Security tabTCU / Transmission
1 module documented
Transmission control module reprogramming, adaptive learning reset and replacement TCM clone.
Open Modules tabSRS / Airbag Reset
7 modules documented
Crash-data clear, hard-code reset and replacement airbag module configuration.
Open Modules tabABS / Brake Module
4 modules documented
ABS / EBCM bleed support, replacement module coding and yaw-rate sensor calibration.
Open Modules tabKey Security & Immobilizer
3 modules documented
Immobilizer modules, key/fob types, add-key + all-keys-lost (AKL) capability and security overview.
Open Security tabIPC, SAS & Other Modules
4 modules documented
Instrument cluster cloning, steering angle sensor calibration and other supporting modules.
Open Modules tabConnectivity & Accessories
2 modules documented
Infotainment radio, surround view, remote start, trailer brake controller and other equipped systems.
Open Modules tabRecalibration Triggers
11 modules documented
Service events that require ADAS recalibration on this vehicle. Tap to see what triggers what.
Open ADAS tabNeed something not listed? Most undocumented modules can still be programmed.
Get a QuoteFeature availability 3
Available SLT+/Denali: Forward Collision Alert/Automatic Emergency Braking, Lane
AvailableCalibration required after windshield replacement, camera/radar service, or structural repair affecting sensor alignment.
Immobilizer: GM PASS-Key III+
StandardKey programming requires manufacturer-level tool access.
Platform: C1XX (2nd Gen Acadia, 2020)
ConfirmedVerify platform code matches when cross-referencing part numbers across model years.
WHAT WE RESOLVE
Common issues on this vehicle
Common GMC Acadia issues we resolve on this platform: Forward Camera (Monocular), Forward Radar (77GHz), Blind Spot Monitor Sensor - Left (BSM), and Blind Spot Monitor Sensor - Right (BSM) recalibration after windshield/bumper/suspension/CCM service. Module programming for replacement ECU/PCM, BCM, TCU, or accessory modules - C1XX (2nd Gen Acadia, 2020) platform uses GMLAN (HS-CAN 500kbps + MS-CAN 33.3kbps); OBD2 DLC Pin 6/14 HS-CAN 500kbps. Key programming and immobilizer faults - GM PASS-Key III+ immobilizer; all-keys-lost supported.
ADAS CALIBRATION MATRIX
ADAS systems on this vehicle
Available SLT+/Denali: Forward Collision Alert/Automatic Emergency Braking, Lane Change Alert w/Blind Spot Monitoring, Rear Cross-Traffic Alert, HD Rear Camera, Lane Keep Assist (Denali)
Scroll for part numbers and Details
| System | Type | Category | Cal. Type | Supported | Part # | Actions |
|---|---|---|---|---|---|---|
| Forward Camera (Monocular) | Camera | ADAS Camera | Static | YES | 84390 (APPROX - VERIFY GMDB BY VIN) | |
| Forward Radar (77GHz) | Radar | ADAS Radar | Static | YES | 84277 (APPROX - VERIFY GMDB) | |
| Blind Spot Monitor Sensor - Left (BSM) | Radar | ADAS Radar | Static + Dynamic | YES | 23234 (APPROX - VERIFY GMDB) | |
| Blind Spot Monitor Sensor - Right (BSM) | Radar | ADAS Radar | Static + Dynamic | YES | 23234 | |
| HD Rear Camera | Camera | Rear Vision | None (registration only) | YES | 84393 (APPROX - VERIFY GMDB) |
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) Affected: Forward Camera, FCA, LKA
Forward camera static calibration via GDS2. Level surface. Forward target chart at WSM distance. Confirm FCA and LKA DTC-free.
Forward Camera Replacement Affected: Forward Camera, FCA, LKA
GDS2 camera initialization + static calibration.
Forward Radar Replacement Affected: Forward Radar, FCA, Adaptive Cruise
GDS2 radar alignment. Level surface, no metallic obstructions.
BCM Replacement Affected: BCM, PASS-Key III+, Remote Start, BSM
SPS programming (TIS2WEB) + VIN tie + all options + PASS-Key III+ relearn.
ECM Replacement Affected: ECM, PASS-Key III+, Throttle
SPS programming + VIN tie + PASS-Key parameter transfer + idle/throttle relearn.
EBCM Replacement Affected: ABS, StabiliTrak, SAS
GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive straight 35+ mph.
Any Front-End Collision
Inspect and recalibrate forward camera after any front-end collision using GDS2/MDI2.
Front Bumper Repair or Replacement
Forward radar angular alignment required after front bumper R&R. Use GDS2/MDI2.
Rear Bumper Repair or Replacement
BSD radar alignment required after rear bumper R&R. Use GDS2/MDI2.
BSM Sensor Replacement
Blind spot monitoring sensor replacement requires calibration using GDS2/MDI2.
Mirror Replacement
If BSD sensor is mirror-integrated, recalibration required. Verify sensor location; use GDS2/MDI2 if applicable.
SRS MODULES
SRS Modules
Sensing & Diagnostic Module (SDM) x7
84624320 Under center console
- PART
- 84624320
- 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.
85132104 Under center console
- PART
- 85132104
- 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.
85132106 Under center console
- PART
- 85132106
- 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.
13523859 Under center console
- PART
- 13523859
- 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.
13547603 Under center console
- PART
- 13547603
- 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.
84216834 Under center console
- PART
- 84216834
- 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.
84216835 Under center console
- PART
- 84216835
- 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 - LCV 2.5L I4 12669 (APPROX - VERIFY GMDB)
- PART
- 12669 (APPROX - VERIFY GMDB)
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming + VIN tie + PASS-Key parameter transfer. Throttle body relearn. Idle relearn.
ECM - 3.6L V6 (LGX) 12670 (APPROX - VERIFY GMDB)
- PART
- 12670 (APPROX - VERIFY GMDB)
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming + VIN tie + PASS-Key parameter transfer. Cam phaser relearn. Idle relearn.
TCM - 6-Speed or 9-Speed Automatic 24285 OR 24284 (VERIFY GMDB BY RPO)
- PART
- 24285 OR 24284 (VERIFY GMDB BY RPO)
- PROTOCOL
- GDS2 quick learn + SPS if required
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 TCM quick learn after replacement. Adaptive data reset.
EBCM (Electronic Brake Control Module) 84 (CONTINENTAL - VERIFY GMDB)
- PART
- 84 (CONTINENTAL - VERIFY GMDB)
- PROTOCOL
- GDS2
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 ABS/StabiliTrak initialization + brake bleed + SAS zero-point calibration.
BCM MODULES
BCM Modules
Body Control Module (BCM) 84392 (APPROX - VERIFY GMDB)
- PART
- 84392 (APPROX - 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. VIN tie required.
HVAC Control Module 84 (VERIFY GMDB)
- PART
- 84 (VERIFY GMDB)
- SECURITY
- None
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 HVAC actuator calibration after replacement.
TCU / TCM TRANSMISSION MODULES
TCU / TCM Transmission Modules
TCU - 9T50 9-Speed Auto 24282
- PART
- 24282
- PROTOCOL
- J2534
- CODING
- Yes
- CLONE
- Yes
- CHIP/MCU
- Continental TC1797
- NOTES
- Requires TIS2Web subscription for programming. TCM adaptive learn via 30-mile drive cycle. Uses Dexron VI ATF. VIN programming mandatory.
ABS / BRAKE MODULES
ABS / Brake Modules
Electronic Brake Control Module (EBCM) 84 (CONTINENTAL - VERIFY GMDB)
- PART
- 84 (CONTINENTAL - VERIFY GMDB)
- CLONE
- No
- NOTES
- GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive straight 35+ mph.
Wheel Speed Sensor - Front (each) 13512 (APPROX - VERIFY GMDB)
- 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) 13512 REAR VARIANT (VERIFY GMDB)
- PART
- 13512 REAR VARIANT (VERIFY GMDB)
- CLONE
- No
- NOTES
- Same procedure as front WSS.
Brake Pressure Modulator (HCU) 84 (VERIFY GMDB)
- PART
- 84 (VERIFY GMDB)
- CLONE
- No
- NOTES
- GDS2 automated bleed preferred. Verify firm pedal.
OTHER MODULES (IPC, SAS)
Other Modules (IPC, SAS)
Instrument Panel Cluster (IPC) 84546732
- PART
- 84546732
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
Instrument Panel Cluster (IPC) 84546734
- PART
- 84546734
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
Instrument Panel Cluster (IPC) 84404697
- PART
- 84404697
- 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)
- CODING
- Yes
- NOTES
- INTEGRATED (SCM clock spring)
CONNECTIVITY & ACCESSORIES
Connectivity & Accessories
OnStar Module (if equipped) 84 (VERIFY GMDB)
- PART
- 84 (VERIFY GMDB)
- NOTES
- GDS2 OnStar initialization. Active OnStar subscription required. Modem VIN-tied.
Remote Start (OEM RKE-based) (BCM PARAMETER - RPO UF8)
- PART
- (BCM PARAMETER - RPO UF8)
- NOTES
- BCM AsBuilt parameter for remote start. GDS2 BCM configuration.
GATEWAY / SECURITY MODULES
Gateway / Security Modules
Central Gateway Module
- 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
- 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
- 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
- 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
- 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
- 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+
- Add Key Yes
- All Keys Lost Yes
GM PASS-Key III+ - BCM transponder, RKE 315MHz 128-bit rolling code; no OBD pin extraction; AKL via GDS2 + TIS2WEB dealer authorization
IMMOBILIZER MODULES
Immobilizer Modules
PassKey III+ Immobilizer 84392 (APPROX - VERIFY GMDB)
- PART
- 84392 (APPROX - 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) 12669, 12670 (ENGINE-DEPENDENT - VERIFY GMDB)
- PART
- 12669, 12670 (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 13508771 OR CURRENT GM NUMBER (VERIFY GMDB)
- 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
Standard RKE Key Fob 13508771 (OR CURRENT GM NUMBER - VERIFY GMDB)
- PART
- 13508771 (OR CURRENT GM NUMBER - VERIFY GMDB)
- NOTES
- 315MHz RKE. PKE passive entry SLT+/Denali. GDS2 + TIS2WEB dealer auth for add key or AKL. Battery CR2032.
Emergency Mechanical Key Blade
- NOTES
- Door lock only. Does NOT bypass PASS-Key III+.
Replacement Notes
BCM replacement requires SPS programming (TIS2WEB) + PASS-Key III+ relearn with all customer keys present. ECM: SPS + VIN tie + PASS-Key parameter transfer. No OBD pin extraction. AKL: GDS2 + TIS2WEB.
ARCHITECTURE & CONNECTIVITY
Architecture & Connectivity
- Body Construction
- High-strength steel unibody
- 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 - 7" or 8" touchscreen; Apple CarPlay + Android Auto standard; wireless CarPlay/AA on SLT+/Denali
- OTA Capable
- No
- Infotainment Name
- GMC Infotainment 3
- ECU/TCM Unlocking
- Contact us
- ECU/TCM Flashing
- Contact us
OPENPILOT / COMMA.AI
Openpilot Compatibility
Not Supported
Not supported - only 2018 ASCM tested
Not in openpilot support tree as of April 2026. Only 2018 Acadia was in ASCM test list; newer not ported.
FREQUENTLY ASKED QUESTIONS
FAQ
How much does ADAS calibration cost for a 2020 GMC Acadia?
ADAS calibration pricing for a 2020 GMC Acadia depends on which of its 5 documented systems need work after a repair. This vehicle is documented with Forward Camera (Monocular), Forward Radar (77GHz), Blind Spot Monitor Sensor - Left (BSM), Blind Spot Monitor Sensor - Right (BSM), and HD Rear Camera. We provide a fixed quote after confirming the operations performed - send the VIN, the repair scope (windshield R&R, bumper work, alignment, collision), and any DTCs so the quote response can include a real number.
Can you reset the airbag light on a 2020 GMC Acadia?
Yes. The 2020 GMC Acadia uses a factory SRS control module that we support. We read and clear stored crash data, then restore the module to factory status so the airbag warning light goes out and the system returns to full operation. Reference part number on this vehicle: 84624320. Mobile diagnosis and programming are the active service path. Mail-in bench intake is temporarily unavailable. Send the part number and a description of what triggered the light, and we will provide a quote and scheduling window.
What is needed after replacing the windshield on a 2020 GMC Acadia?
After windshield replacement on a 2020 GMC Acadia, Forward Camera (Monocular), Forward Radar (77GHz), and HD Rear Camera rely on the forward-facing camera and require recalibration before the systems return to operation. We perform the calibration on-site in the DFW Metroplex with OE target fixtures. Mail-in intake is temporarily unavailable.
How long does a 2020 GMC Acadia module service take?
Most 2020 GMC Acadia onsite jobs are typically scheduled within 24-48 hours once vehicle readiness, access, and route timing are confirmed. This vehicle has roughly 26 programmable modules documented in our database (4 ECU, 2 BCM, 1 TCU, 4 ABS, plus IPC/SAS/gateway/accessory). Mobile module work and ADAS calibration are scheduled in the DFW service area after quote review. Mail-in module intake is temporarily unavailable.
Do you cover the 2020 GMC Acadia on-site, or is this mail-in only?
We run a mobile unit across the DFW Metroplex for on-vehicle work (ADAS calibration, key programming, IMMO pairing, post-repair recoding, and supported module work). Mail-in module intake is temporarily unavailable. Quote the work and we will confirm the active service path for the 2020 GMC Acadia. Do not ship a module unless support confirms next steps.
What kind of warranty do you offer on 2020 GMC Acadia programming?
Every programming, cloning, and calibration job on the 2020 GMC Acadia is backed by a workmanship warranty covering the scope of work we performed: 1-year unlimited on all flashes, clones, and ADAS calibrations. If a module we programmed or a calibration we performed fails to function as expected, return it and we restore it at no charge. The warranty covers our work; it does not cover unrelated mechanical or electrical failure of the module itself.
Can you program a 2020 GMC Acadia with no working keys (all-keys-lost)?
Yes - all-keys-lost is supported on the 2020 GMC Acadia. Immobilizer generation on this platform: GM PASS-Key III+. Adding a key (with a working key already in hand) is also supported - typically faster and less expensive than an all-keys-lost reset. Submit the VIN and we will confirm the procedure and quote before scheduling.
Which modules on a 2020 GMC Acadia can you actually service?
We program, clone, repair, or replace the full programmable-module stack on a 2020 GMC Acadia. For this vehicle our database documents:
- 4 engine control (ECU/PCM)
- 1 transmission control (TCU/TCM)
- 2 body control (BCM and related)
- 4 ABS / brake control (EBCM)
- 3 immobilizer / security
- 2 key & fob
- 3 instrument cluster (IPC)
- 1 steering angle sensor (SAS)
- 5 ADAS module
Infotainment on this platform: GMC Infotainment 3. Send the VIN and the operations performed and we will confirm support and pricing.
Additional Module Part Numbers
Additional OEM-sourced part numbers for the 2020 GMC Acadia covering ADAS, ECU/PCM, BCM, TCU/TCM, SRS, ABS/EBCM, instrument cluster (IPC), gateway, and steering angle sensor modules when available. These reference numbers assist technicians with module identification and sourcing prior to programming.
- ADAS Module Part Numbers
- 84390, 84277, 23234, 84393
- ECU / PCM Part Numbers
- 12669, 12670
- BCM / Body Module Part Numbers
- 84392 (APPROX - VERIFY GMDB), 84 (VERIFY GMDB)
- TCU / TCM Part Numbers
- 24282
- SRS / Airbag Module Part Numbers
- 84624320, 85132104, 85132106, 13523859, 13547603, 84216834, 84216835
- ABS / EBCM Part Numbers
- 84528
- Instrument Cluster (IPC) Part Numbers
- 84546732, 84546734, 84404697
- Transmission Control Module (TCM) Part Numbers
- 24282
Part numbers are OEM base references. Verify exact suffix via VIN-specific build data before ordering. Core Auto Logic provides mobile programming services for all listed modules in the DFW area.
Different trim or build?
Send your VIN and we'll confirm exact module support and pricing in the quote response.
Hit a security wall? We've got the keys.
1-year unlimited warranty on every flash and calibration.
Shared module fitment
Vehicles sharing modules with the 2020 GMC Acadia
These vehicles use one or more of the same replacement modules indexed for this vehicle.