Chevy Safety Assist: Automatic Emergency Braking, Lane Keep Assist, Blind Zone A
AvailableCalibration required after windshield replacement, camera/radar service, or structural repair affecting sensor alignment.
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2021-2026 Chevrolet Suburban Generation Guide
Chevrolet Suburban 12th Gen (T1XX) (2021-2026) ADAS Calibration & Module Programming
Covers model years 2021-2026 - one service guide for the whole generation.
Full ADAS calibration, module programming, and key security work for every Chevrolet Suburban built on this platform. Same-day mobile service across the Dallas/Fort Worth metroplex; mail-in accepted nationwide.
- Platform GM T1XX BOF (5th Gen, 2021+)
- CAN Architecture HS-CAN (500 kbps); GM LAN; OBD2 DLC Pin 6/14
- Security GM PEPS; rolling code; GDS2
The ADAS, module, and security rows below are consolidated across the full 2021-2026 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 2021-2026”.
OVERVIEW
Expert ADAS calibration, module programming, and diagnostic recovery for the 2022 Chevrolet Suburban. On this vehicle we cover documented systems include Forward Camera (Monocular), Forward Radar (Bosch MRR, 77GHz), and Blind Spot Monitor (Aptiv SRR, 24GHz), this GM T1XX BOF (5th Gen, 2021+) platform vehicle, GM PEPS Gen 2-3; BCM immobilizer immobilizer support. Mobile across the DFW Metroplex, mail-in nationwide for module-bench work.
Platform
GM T1XX BOF (5th Gen, 2021+)
Production
2015-present
Trim Levels
Standard trim configurations for 2022 Chevrolet Suburban; verify trim-specific options before ordering modules.
Drivetrain
RWD / 4WD
Engine
-
CAN Speed
HS-CAN (500 kbps); GM LAN; OBD2 DLC Pin 6/14
Feature availability 3
Immobilizer: GM PEPS Gen 2-3
StandardKey programming requires manufacturer-level tool access.
Platform: GM T1XX BOF (5th Gen, 2021+)
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.
Know this platform
This platform uses HS-CAN (500 kbps); GM LAN; OBD2 DLC Pin 6/14 with ISO 15765-4 CAN (500 kbps).
- CAN
- HS-CAN (500 kbps); GM LAN; OBD2 DLC Pin 6/14
- OBD
- ISO 15765-4 CAN (500 kbps)
OPENPILOT / COMMA.AI
Openpilot Compatibility
Not Supported
Not supported - suburban not in openpilot support tree
Not in openpilot support tree as of April 2026.
Generation service summary for Chevrolet Suburban 12th Gen (T1XX) (2021-2026)
Generation coverage
This page consolidates Chevrolet Suburban service data for 2021-2026 across 6 model years; 6 years have merged CCT data.
Choose a yearADAS coverage
Merged ADAS coverage includes 5 system records, including Forward Camera (Monocular), Forward Radar (Bosch MRR, 77GHz), Blind Spot Monitor (Aptiv SRR, 24GHz), and Rear View Camera. Year-marked systems apply only to the shown range.
View ADAS dataCalibration triggers
This generation has 8 merged calibration trigger records. Trigger applicability can vary by year - verify by VIN before setup.
View triggersProgrammable modules
The merged generation page indexes 32 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 8 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, security-access planning, and mail-in bench work for the Chevrolet Suburban 2021-2026 span, with exact-year validation before service.
Get a quoteDo I need calibration?
Windshield Replacement (Camera Equipped) 1
2021-2026
required
GDS2 forward camera static calibration required. Level surface, WSM target distance.
Forward Camera Replacement 1
2021-2026
required
GDS2 static calibration mandatory. DTC clear post-calibration.
Front Bumper Repair or Replacement 1
2021-2026
required
GDS2 forward radar alignment required if radar equipped.
Rear Bumper Repair or Replacement 1
2021-2026
required
GDS2 BSM/RCTA initialization if equipped. Dynamic verification.
Airbag/SRS Deployment 1
2021-2026
required
SDM replacement only (no crash clear). GDS2 SRS initialization.
BCM Replacement 1
2021-2026
required
SPS TIS2WEB programming + PASS-Key relearn all keys + all body options config.
ECM Replacement 1
2021-2026
required
SPS TIS2WEB + VIN tie + PASS-Key transfer.
EBCM Replacement 1
2021-2026
required
GDS2 ABS init + 4-wheel bleed + SAS zero-point.
Year-by-year details
| Year | Trim notes |
|---|---|
| 2021 | Standard trim configurations for 2021 Chevrolet Suburban; verify trim-specific options before ordering modules. |
| 2022 | Standard trim configurations for 2022 Chevrolet Suburban; verify trim-specific options before ordering modules. |
| 2023 | Standard trim configurations for 2023 Chevrolet Suburban; verify trim-specific options before ordering modules. |
| 2024 | Standard trim configurations for 2024 Chevrolet Suburban; verify trim-specific options before ordering modules. |
| 2025 | Standard trim configurations for 2025 Chevrolet Suburban; verify trim-specific options before ordering modules. |
| 2026 | Standard trim configurations for 2026 Chevrolet Suburban; verify trim-specific options before ordering modules. |
What changes across 2021-2026
Differences versus the generation reference year. Years not listed here match the shared platform data on this page.
2021
- Trims: Standard trim configurations for 2021 Chevrolet Suburban; verify trim-specific options before ordering modules.
2023
- Trims: Standard trim configurations for 2023 Chevrolet Suburban; verify trim-specific options before ordering modules.
2024
- Trims: Standard trim configurations for 2024 Chevrolet Suburban; verify trim-specific options before ordering modules.
2025
- Trims: Standard trim configurations for 2025 Chevrolet Suburban; verify trim-specific options before ordering modules.
2026
- Trims: Standard trim configurations for 2026 Chevrolet Suburban; verify trim-specific options before ordering modules.
5 ADAS systems documented across 2021-2026. Rows that apply to only part of the generation carry a year badge.
Filter by year
ADAS CALIBRATION MATRIX
ADAS systems on this vehicle
Chevy Safety Assist: Automatic Emergency Braking, Lane Keep Assist, Blind Zone Alert, Rear Cross Traffic Alert, Surround Vision; Super Cruise optional 2021+
Scroll for part numbers and Details
| System | Type | Category | Cal. Type | Supported | Part # | Actions |
|---|---|---|---|---|---|---|
| Forward Camera (Monocular) | Forward Camera | Camera | Static | YES | - | |
| Forward Radar (Bosch MRR, 77GHz) | Forward Radar | Radar | Static + Dynamic | YES | - | |
| Blind Spot Monitor (Aptiv SRR, 24GHz) | Side Radar | Radar | Static + Dynamic | YES | - | |
| Rear View Camera | Rear Camera | Camera | Static | YES | - | |
| Surround View Camera System | Surround View | Camera | Static | YES | - |
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 (Camera Equipped)
GDS2 forward camera static calibration required. Level surface, WSM target distance.
Forward Camera Replacement
GDS2 static calibration mandatory. DTC clear post-calibration.
Front Bumper Repair or Replacement
GDS2 forward radar alignment required if radar equipped.
Rear Bumper Repair or Replacement
GDS2 BSM/RCTA initialization if equipped. Dynamic verification.
Airbag/SRS Deployment
SDM replacement only (no crash clear). GDS2 SRS initialization.
BCM Replacement
SPS TIS2WEB programming + PASS-Key relearn all keys + all body options config.
ECM Replacement
SPS TIS2WEB + VIN tie + PASS-Key transfer.
EBCM Replacement
GDS2 ABS init + 4-wheel bleed + SAS zero-point.
Modules we program on this generation
32 documented Chevrolet Suburban modules across 2021-2026. Open a group for part numbers, programming protocol, security notes, and clone support.
SRS MODULES
SRS Modules
Sensing & Diagnostic Module (SDM) Verify by VIN 13518546
coding and programming fields are absent or ambiguous
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
- 13518546
- 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.
Sensing & Diagnostic Module (SDM) Verify by VIN 84396838
coding and programming fields are absent or ambiguous
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
- 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.
Sensing & Diagnostic Module (SDM) Verify by VIN 84396837
coding and programming fields are absent or ambiguous
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
- 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.
Sensing & Diagnostic Module (SDM) Verify by VIN 2022 13548962
_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
- 13548962
- 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 - 5.3L V8 L84/L82 Verify by VIN
coding and programming fields are absent or ambiguous
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming via TIS2WEB + VIN tie + PASS-Key parameter transfer. AFM adaptation reset + cam phaser relearn.
ECM - 6.2L V8 L87 Verify by VIN
coding and programming fields are absent or ambiguous
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming via TIS2WEB + VIN tie + PASS-Key parameter transfer. High Country/Premier.
ECM - 3.0L Duramax Diesel LM2 (2021+) Verify by VIN
coding and programming fields are absent or ambiguous
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- PROTOCOL
- SPS / TIS2WEB
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming via TIS2WEB + VIN tie + PASS-Key parameter transfer. DPF adaptation reset additionally required.
BCM MODULES
BCM Modules
Body Control Module (BCM) Verify by VIN
coding and programming fields are absent or ambiguous
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- SECURITY
- PASS-Key III+
- CODING
- Yes
- CLONE
- No
- NOTES
- SPS programming via TIS2WEB required after replacement. VIN tie + all vehicle options configuration. PASS-Key III+ relearn all customer keys. Verify all body functions: locks, windows, lights, remote start.
TCU / TCM TRANSMISSION MODULES
TCU / TCM Transmission Modules
TCU - 10L80 10-Speed Auto Verify by VIN 2021-2022 24282
_years covers only 2021-2022 for this generation
Used/donor module guide
Compatible donor years: 2021, 2022
Donor must match part family 24282 - requires cloning
Always match the full part number before buying a used module.
- PART
- 24282
- PROTOCOL
- J2534
- CODING
- Yes
- CLONE
- Yes
- CHIP/MCU
- Continental Temic
- NOTES
- Requires TIS2WEB programming, transmission adaptive learn, Dexron VI ATF, MAF relearn after install
TCU - 10L90 10-Speed Auto Verify by VIN 2021-2022 24283
_years covers only 2021-2022 for this generation
Used/donor module guide
Compatible donor years: 2021, 2022
Donor must match part family 24283 - requires cloning
Always match the full part number before buying a used module.
- PART
- 24283
- PROTOCOL
- J2534
- CODING
- Yes
- CLONE
- Yes
- CHIP/MCU
- Continental Temic
- NOTES
- Requires TIS2WEB programming, transmission adaptive learn, Dexron VI ATF, throttle relearn procedure
TCU - 10L90 10-Speed Auto Verify by VIN 2023-2024 84632
_years covers only 2023-2024 for this generation
Used/donor module guide
Compatible donor years: 2023, 2024
Donor must match part family 84632 - requires cloning
Always match the full part number before buying a used module.
- PART
- 84632
- PROTOCOL
- J2534
- CODING
- Yes
- CLONE
- Yes
- CHIP/MCU
- Continental MPC5777M
- NOTES
- Requires SPS programming, transmission adaptive learning, Dexron VI ATF, TCM-to-ECM pairing required
TCU - 10L80 10-Speed Auto Verify by VIN 2023-2024 84631
_years covers only 2023-2024 for this generation
Used/donor module guide
Compatible donor years: 2023, 2024
Donor must match part family 84631 - requires cloning
Always match the full part number before buying a used module.
- PART
- 84631
- PROTOCOL
- J2534
- CODING
- Yes
- CLONE
- Yes
- CHIP/MCU
- Continental MPC5777M
- NOTES
- Requires SPS programming, transmission relearn procedure, Dexron VI ATF, VIN coding mandatory
TCU - 10L90 10-Speed Auto Verify by VIN 2025-2026 84632
_years covers only 2025-2026 for this generation
Used/donor module guide
Compatible donor years: 2025, 2026
Donor must match part family 84632 - requires cloning
Always match the full part number before buying a used module.
- PART
- 84632
- PROTOCOL
- J2534
- CODING
- Yes
- CLONE
- Yes
- CHIP/MCU
- Continental Infineon TC397
- NOTES
- Requires TIS2Web programming, transmission adaptation reset, Dexron VI ATF, shift relearn drive cycle 15-20 miles
ABS / BRAKE MODULES
ABS / Brake Modules
Electronic Brake Control Module (EBCM) Verify by VIN
coding and programming fields are absent or ambiguous
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- CLONE
- No
- NOTES
- GDS2 ABS/ESC initialization + 4-wheel brake bleed + SAS zero-point calibration. Drive straight 35+ mph to confirm SAS clear.
OTHER MODULES (IPC, SAS)
Other Modules (IPC, SAS)
Instrument Panel Cluster (IPC) x10
85119382 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 85119382 - requires cloning
Always match the full part number before buying a used module.
- PART
- 85119382
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85577579 Verify by VIN 2022
_years covers only 2022 for this generation
Used/donor module guide
Compatible donor years: 2022
Donor must match part family 85577579 - requires cloning
Always match the full part number before buying a used module.
- PART
- 85577579
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85539954 Verify by VIN 2022
_years covers only 2022 for this generation
Used/donor module guide
Compatible donor years: 2022
Donor must match part family 85539954 - requires cloning
Always match the full part number before buying a used module.
- PART
- 85539954
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85154334 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 85154334 - requires cloning
Always match the full part number before buying a used module.
- PART
- 85154334
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85154335 Verify by VIN 2023
_years covers only 2023 for this generation
Used/donor module guide
Compatible donor years: 2023
Donor must match part family 85154335 - requires cloning
Always match the full part number before buying a used module.
- PART
- 85154335
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85154336 Verify by VIN 2023
_years covers only 2023 for this generation
Used/donor module guide
Compatible donor years: 2023
Donor must match part family 85154336 - requires cloning
Always match the full part number before buying a used module.
- PART
- 85154336
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85154337 Verify by VIN 2023
_years covers only 2023 for this generation
Used/donor module guide
Compatible donor years: 2023
Donor must match part family 85154337 - requires cloning
Always match the full part number before buying a used module.
- PART
- 85154337
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85154339 Verify by VIN 2023
_years covers only 2023 for this generation
Used/donor module guide
Compatible donor years: 2023
Donor must match part family 85154339 - requires cloning
Always match the full part number before buying a used module.
- PART
- 85154339
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
86578854 Verify by VIN 2023-2025
_years covers only 2023-2025 for this generation
Used/donor module guide
Compatible donor years: 2023, 2024, 2025
Donor must match part family 86578854 - requires cloning
Always match the full part number before buying a used module.
- PART
- 86578854
- 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.
- 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) Verify by VIN x1
coding and programming fields are absent or ambiguous
Used/donor module guide
Compatible donor years: 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
OnStar Module Verify by VIN
coding and programming fields are absent or ambiguous
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
- GDS2 initialization. Active OnStar subscription required for OTA, remote features.
8 gateway, immobilizer, and security items documented across 2021-2026.
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: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- MFG
- Renesas
- SECURITY
- VIN-locked (UDS)
- VIN LOCKED
- Yes
- CODING
- Yes
- CHIP/MCU
- D70F3585
- NOTES
- Compatibility label: Chevrolet. Air conditioning | Notes: Read/Write
Central Gateway Module Dealer security required
vin_locked indicates immobilizer or VIN security
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- MFG
- Renesas
- SECURITY
- VIN-locked (UDS)
- VIN LOCKED
- Yes
- CODING
- Yes
- CHIP/MCU
- D70F3558
- NOTES
- Compatibility label: Buick. BCM | Notes: Read/Write
Central Gateway Module Dealer security required
vin_locked indicates immobilizer or VIN security
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- MFG
- Various / Unlisted
- SECURITY
- VIN-locked (UDS)
- VIN LOCKED
- Yes
- CODING
- Yes
- CHIP/MCU
- 1M12S
- NOTES
- Compatibility label: CRUZE. BCM | Notes: Years: 2015-
Central Gateway Module Dealer security required
vin_locked indicates immobilizer or VIN security
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- MFG
- Various / Unlisted
- SECURITY
- VIN-locked (UDS)
- VIN LOCKED
- Yes
- CODING
- Yes
- CHIP/MCU
- 1M12S
- NOTES
- Compatibility label: Cavalier. BCM | Notes: Years: 2015-
Central Gateway Module Dealer security required
vin_locked indicates immobilizer or VIN security
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- MFG
- Various / Unlisted
- SECURITY
- VIN-locked (UDS)
- VIN LOCKED
- Yes
- CODING
- Yes
- CHIP/MCU
- 1M12S
- NOTES
- Compatibility label: Excelle. BCM | Notes: Years: 2015-
Central Gateway Module Dealer security required
vin_locked indicates immobilizer or VIN security
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- MFG
- Various / Unlisted
- SECURITY
- VIN-locked (UDS)
- VIN LOCKED
- Yes
- CODING
- Yes
- CHIP/MCU
- 1M12S
- NOTES
- Compatibility label: SAIL. BCM | Notes: Years: 2015-
KEY SECURITY & IMMOBILIZER
Key Security & Immobilizer
- System GM PEPS Gen 2-3; BCM immobilizer
- Add Key Yes
- All Keys Lost Yes
GM PEPS; rolling code; GDS2
IMMOBILIZER MODULES
Immobilizer Modules
PassKey III+ Immobilizer (BCM) Dealer security required
security_type indicates immobilizer or VIN security
Used/donor module guide
Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026
Always match the full part number before buying a used module.
- SECURITY
- PASS-Key III+
- NOTES
- BCM holds PASS-Key III+ key database. Replacement erases all keys. SPS programming (TIS2WEB) + key relearn via GDS2 with all customer keys present. No OBD PIN extraction. Dealer authorization required for AKL.
KEY & FOB TYPES
Key & Fob Types
Proximity Smart Key Fob OBD coding supported 13508771 (VERIFY CURRENT GM PN)
service_notes indicates OBD programming or coding
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
- 13508771 (VERIFY CURRENT GM PN)
- NOTES
- GDS2 + TIS2WEB add key or AKL. Rolling code resync via GDS2 if desynchronized. CR2032 battery. 315MHz (US). No OBD PIN extraction.
Replacement Notes
BCM SPS programming (TIS2WEB) + PASS-Key relearn all keys. ECM: SPS + VIN + PASS-Key transfer. AKL: GDS2 + TIS2WEB.
ARCHITECTURE & CONNECTIVITY
Architecture & Connectivity
- Body Construction
- Full-frame BOF; mixed aluminum-steel body (2021+)
- OBD Protocol
- ISO 15765-4 CAN (500 kbps)
- CAN Architecture
- HS-CAN (500 kbps); GM LAN; OBD2 DLC Pin 6/14
- Infotainment
- Chevy Infotainment 3 Plus 10.2" (2021+); Apple CarPlay/Android Auto; OTA via OnStar
- OTA Capable
- Yes
- ECU Unlock Supported
- No
- Custom Programming
- Yes
WHAT WE RESOLVE
12th Gen (T1XX) (2021-2026) 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), Forward Radar (Bosch MRR, 77GHz), Blind Spot Monitor (Aptiv SRR, 24GHz), and Rear View Camera. Year-marked systems apply only to the shown range.
- SRS crash-data and warning light SRS service can involve Sensing & Diagnostic Module (SDM) and Sensing & Diagnostic Module (SDM) (2022). 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 8 merged security records. Access and all-keys-lost support varies by year - verify by VIN.
FREQUENTLY ASKED QUESTIONS
FAQ
Can you program Chevrolet Suburban (2021-2026) modules?
Yes. Core Auto Logic supports generation-scoped module programming for the Chevrolet Suburban (2021-2026). 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 Chevrolet Suburban (2021-2026)?
The Chevrolet Suburban (2021-2026) generation currently shows 14 core module records across ECU/PCM, BCM, TCU/TCM, ABS/EBCM, and SRS groups. SRS examples include Sensing & Diagnostic Module (SDM) and Sensing & Diagnostic Module (SDM) (2022). Part numbers and module variants must be confirmed for your exact year/VIN. Reference part number: 13518546 - confirm for your exact year/VIN.
Does Chevrolet Suburban (2021-2026) need ADAS calibration after glass or collision work?
The merged generation data documents 5 ADAS systems, including Forward Camera (Monocular), Forward Radar (Bosch MRR, 77GHz), Blind Spot Monitor (Aptiv SRR, 24GHz), Rear View Camera, and Surround View Camera System. Calibration triggers include Windshield Replacement (Camera Equipped), Forward Camera Replacement, Front Bumper Repair or Replacement, and Rear Bumper Repair or Replacement. Procedure type is VIN-specific scan-tool procedure; verify exact requirements by VIN before setup.
Can you reset the airbag module on Chevrolet Suburban (2021-2026)?
Yes. The generation data includes 4 SRS records, including Sensing & Diagnostic Module (SDM) and Sensing & Diagnostic Module (SDM) (2022). 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: 13518546 - confirm for your exact year/VIN.
Do all Chevrolet Suburban (2021-2026) years use the same parts?
No assumption should be made across the full span. The generation page merges rows across 2021-2026; 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 Chevrolet Suburban (2021-2026)?
Yes, where the VIN and security workflow support it. The generation data includes 8 gateway, immobilizer, or key-security records. Gateway examples 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 Chevrolet Suburban (2021-2026)?
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 work typically depends on module condition, donor data, and shipping window.
Is Chevrolet Suburban (2021-2026) service mobile or mail-in?
Both paths are available depending on the job. Mobile service covers DFW on-vehicle diagnostics, ADAS setup, key programming, and post-repair coding. Mail-in service covers ECU, BCM, SRS, TCU, ABS, and other bench module work nationwide. We confirm the correct path for your exact year/VIN before scheduling.
More Suburban generations
11th Gen (K2XX) 2015-2020 12th Gen (T1XX) 2021-2026 You are here