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1st Gen - 2021-2026 generation coverage
2021-2026 Chevrolet Trailblazer service guide ADAS Calibration & Module Programming
Choose a repair service below or find your module by part number. Onsite help is available in Dallas-Fort Worth, with mail-in module service nationwide.
What do you need fixed?
Choose a service to start your quote.
Find your module
37 documented Chevrolet Trailblazer module records across the 2021-2026 generation. Search by module name or part number, then open a result for requirements and repair options.
No matching records. Try a shorter part number or clear the filters. You can still request help if your module is not listed.
ECU / Engine
ECM - 1.3L Turbo (L3T) Bench clone required 12695000
Module information indicates cloning or bench work.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Donor must match part family 12695000 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 12695000
- Protocol / method
- OBD Programming Port
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Delco E80 (compact)
- Notes
- RPO L3T. FWD and AWD. SPS2 Programming Port via GDS2. Turbo boost calibration included. VIN write in SPS2 flow.
ECM - 1.2L Turbo (LIH) Bench clone required 12695001
Module information indicates cloning or bench work.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Donor must match part family 12695001 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 12695001
- Protocol / method
- OBD Programming Port
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Delco E80 (compact)
- Notes
- RPO LIH. FWD only. SPS2 Programming Port. Not interchangeable with L3T.
TCM - 9T50 / CVT Bench clone required 24295600
Module information indicates cloning or bench work.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Donor must match part family 24295600 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 24295600
- Protocol / method
- OBD Programming Port
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Delco T87A
- Notes
- 9-speed 9T50 on L3T AWD. CVT on LIH FWD. SPS2 PMI. Transmission quick learn via GDS2 after replacement.
TCM / Transmission
TCU - CVT Continuously Variable Transmission Verify by VIN 2021-2022 84632
Documented for 2021-2022 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2021, 2022
Donor must match part family 84632 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84632
- Protocol / method
- J2534
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Continental TC1797
- Notes
- CVT relearn required after programming, GM MDI2 or equivalent J2534 tool needed, CVT fluid GM part 19417577
TCU - CVT Continuously Variable Verify by VIN 2023-2024 24282
Documented for 2023-2024 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2023, 2024
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 24282
- Protocol / method
- J2534
- Coding required
- Yes
- Cloning supported
- No
- Chip / MCU
- Continental MPC5748G
- Notes
- VIN/ECU pairing required, CVT fluid GM P/N 19419424, TCM relearn via Tech2Win or MDI, security gateway unlock needed
TCU - CVT Continuously Variable Verify by VIN 2025-2026 84632
Documented for 2025-2026 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2025, 2026
Donor must match part family 84632 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84632
- Protocol / method
- J2534
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Continental MPC5746R
- Notes
- Requires TCM adaptation after installation, CVT fluid spec Dexron VI, shift relearn via Tech2/MDI required
TCU - 9T50 9-Speed Auto Verify by VIN 2025-2026 24279
Documented for 2025-2026 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2025, 2026
Donor must match part family 24279 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 24279
- Protocol / method
- J2534
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Bosch TC1797
- Notes
- VIN coding mandatory, transmission adaptation required, Dexron VI ATF, shift pattern relearn 15-20 cycles
BCM / Body electronics
Body Control Module (BCM) Verify by VIN 2021 13530510
Documented for 2021 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2021
Donor must match part family 13530510 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13530510
- Security
- PASS-Key III+
- Coding required
- Yes
- Cloning supported
- Yes
- Notes
- PassKey III+. SPS2 PMI required. RPO option config for FWD vs AWD, RS vs ACTIV. Clone transfers RPO. Coordinate PCM relearn after BCM replacement.
Body Control Module (BCM) Verify by VIN 2022 13530510
Documented for 2022 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2022
Donor must match part family 13530510 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13530510
- Security
- PASS-Key III+
- Coding required
- Yes
- Cloning supported
- Yes
- Notes
- PassKey III+. SPS2 PMI.
Body Control Module (BCM) Verify by VIN 2023 13530510
Documented for 2023 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2023
Donor must match part family 13530510 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13530510
- Security
- PASS-Key III+
- Coding required
- Yes
- Cloning supported
- Yes
- Notes
- PassKey III+. SPS2 PMI. Full Safety Assist RPO now standard - BCM config reflects expanded features. Preserve full RPO list before replacement.
Body Control Module (BCM) Verify by VIN 2024-2026 13530510
Documented for 2024-2026 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2024, 2025, 2026
Donor must match part family 13530510 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13530510
- Security
- PASS-Key III+
- Coding required
- Yes
- Cloning supported
- Yes
- Notes
- PassKey III+. SPS2 PMI. Google built-in RS - BCM RPO config must reflect Infotainment 3 Plus with Google. Preserve full RPO list.
SRS / Airbag
Sensing & Diagnostic Module (SDM) Verify by VIN 13524236
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13524236
- Location
- Under center console
- Manufacturer
- 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 13514198
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13514198
- Location
- Under center console
- Manufacturer
- 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 60003569
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 60003569
- Location
- Under center console
- Manufacturer
- 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 60003570
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 60003570
- Location
- Under center console
- Manufacturer
- 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.
ABS / Brakes
Electronic Brake Control Module (EBCM) Verify by VIN 2021 13530520
Documented for 2021 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2021
Donor must match part family 13530520 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13530520
- Cloning supported
- Yes
- Notes
- SPS2 PMI required. Automated bleed via GDS2.
Electronic Brake Control Module (EBCM) Verify by VIN 2022-2026 13530520
Documented for 2022-2026 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Donor must match part family 13530520 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13530520
- Cloning supported
- Yes
- Notes
- SPS2 PMI. Automated bleed via GDS2.
Other modules
Instrument Panel Cluster (IPC) 7 records
Documented for 2021-2022 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2021, 2022
Donor must match part family 60005516 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 60005516
- Cloning supported
- Yes
- Notes
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
Documented for 2021-2023 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2021, 2022, 2023
Donor must match part family 60004925 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 60004925
- Cloning supported
- Yes
- Notes
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
Documented for 2021 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2021
Donor must match part family 60005969 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 60005969
- Cloning supported
- Yes
- Notes
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
Documented for 2022-2023 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2022, 2023
Donor must match part family 60006502 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 60006502
- Cloning supported
- Yes
- Notes
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
Documented for 2023-2024 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2023, 2024
Donor must match part family 60007932 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 60007932
- Cloning supported
- Yes
- Notes
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
Documented for 2023-2024 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2023, 2024
Donor must match part family 60007941 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 60007941
- Cloning supported
- Yes
- Notes
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
Documented for 2025-2026 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2025, 2026
Donor must match part family 42X - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 42X
- Cloning supported
- 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 1 record
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Coding required
- Yes
- Notes
- INTEGRATED (SCM clock spring)
Connectivity / Accessories
ICS - Chevy Infotainment 3 (8 inch) Verify by VIN 2021 13530480
Documented for 2021 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2021
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13530480
- Notes
- SPS2 PMI. Apple CarPlay/Android Auto standard. Wireless on RS.
Driver Information Center (DIC) Verify by VIN 2021 13530490
Documented for 2021 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2021
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13530490
- Notes
- SPS2 PMI. Mileage stored in BCM.
ICS - Chevy Infotainment 3 (8 inch) Verify by VIN 2022 13530480
Documented for 2022 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2022
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13530480
- Notes
- SPS2 PMI. Wireless CarPlay/Android Auto expanded 2022.
Driver Information Center (DIC) Verify by VIN 2022-2026 13530490
Documented for 2022-2026 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13530490
- Notes
- SPS2 PMI. Mileage in BCM.
ICS - Chevy Infotainment 3 Plus (RS option) Verify by VIN 2023 13530480
Documented for 2023 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2023
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13530480
- Notes
- SPS2 PMI. Infotainment 3 Plus optional RS. Wireless CarPlay/Android Auto.
ICS - Chevy Infotainment 3 Plus with Google Built-In (RS) Verify by VIN 2024-2026 13530480
Documented for 2024-2026 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13530480
- Notes
- SPS2 PMI. Google built-in added RS 2024. Wireless CarPlay/Android Auto.
Reference information for 2021-2026. Coverage can vary by year and equipment. Confirm the VIN and full part number before ordering a replacement.
Vehicle overview
- Vehicle
- Chevrolet Trailblazer
- Model years
- 2021-2026
- Generation
- 1st Gen
Tools we use for this vehicle
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.
ADAS scan, setup, and verification
Autel, Launch Tech, Topdon
Used where aftermarket coverage supports the procedure; OEM software remains required for locked factory routines.
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
Tool requirements
Basic OBD2 scanner
View capabilities and limitations
Supported work
- Read codes on SRS systems (4 documented rows)
- Read codes on ECU systems (3 documented rows)
- Read codes on BCM systems (4 documented rows)
- Read codes on TCU / TCM systems (4 documented rows)
- Read codes on ABS systems (2 documented rows)
- Read codes on IPC / SAS systems (8 documented rows)
- Read codes on Gateway systems (6 documented rows)
- Read codes on Keys systems (2 documented rows)
- Read codes on Immobilizer systems (3 documented rows)
- Read codes on Accessory systems (6 documented rows)
Limitations
- ECU programming, coding, cloning, or security work (3 documented rows)
- Gateway programming, coding, cloning, or security work (6 documented rows)
Factory programming software (J2534)
View capabilities and limitations
Supported work
- Factory scan, coding, and calibration access: Factory routines and secure server authorization control this path when aftermarket coverage is not enough for the VIN.
Bench programmer
View capabilities and limitations
Supported work
- ECU bench clone rows (3 documented rows)
Dealer or specialist
View capabilities and limitations
Supported work
- 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-GMLAN 33.3kbps, LIN bus with ISO 15765-4 CAN.
- CAN
- GMLAN HS-CAN 500kbps, MS-GMLAN 33.3kbps, LIN bus
- OBD
- ISO 15765-4 CAN
OPENPILOT / COMMA.AI
Openpilot Compatibility
Not Supported
Officially supported (openpilot master)
- Package
- Adaptive Cruise Control
- Hardware
- Comma 3X + GM harness
- Harness
- GM Harness
2023+ not yet confirmed.
Generation service summary for Chevrolet Trailblazer 1st Gen (2021-2026)
Generation coverage
This page consolidates Chevrolet Trailblazer service data for 2021-2026 across 6 model years; service information is available for 6 years.
Choose a yearADAS coverage
Merged ADAS coverage includes 10 system records, including Forward Collision Alert / Intelligent Forward Collision Braking (2021), Lane Keep Assist / Lane Departure Warning (LKA/LDW), Rear Cross Traffic Braking (2021), and Side Blind Zone Alert (2021). Year-marked systems apply only to the shown range.
View ADAS dataCalibration triggers
This generation has 12 merged calibration trigger records. Trigger applicability can vary by year - verify by VIN before setup.
View triggersProgrammable modules
The merged generation page indexes 37 programmable module records across SRS, ECU, BCM, TCU/TCM, ABS, IPC coverage. Part numbers are confirmed for the exact year/VIN.
View modulesCore Auto Logic capability
Core Auto Logic supports generation-level diagnostics, ADAS calibration, module programming, and security-access planning for the Chevrolet Trailblazer 2021-2026 span, with exact-year validation before service. Mail-in module service is available nationwide.
Get a quoteDo I need calibration?
Windshield Replacement 20
FEC Camera
2021required
Static FEC calibration via GDS2 SPS2. OEM or equivalent glass only. DTC B127E if skipped. VSS-F windshield rake angle critical for EyeQ3.
FCA
2021required
Static FEC calibration via GDS2 SPS2. OEM or equivalent glass only. DTC B127E if skipped. VSS-F windshield rake angle critical for EyeQ3.
Intelligent Forward Collision Braking
2021required
Static FEC calibration via GDS2 SPS2. OEM or equivalent glass only. DTC B127E if skipped. VSS-F windshield rake angle critical for EyeQ3.
LKA
2021required
Static FEC calibration via GDS2 SPS2. OEM or equivalent glass only. DTC B127E if skipped. VSS-F windshield rake angle critical for EyeQ3.
LDW
2021required
Static FEC calibration via GDS2 SPS2. OEM or equivalent glass only. DTC B127E if skipped. VSS-F windshield rake angle critical for EyeQ3.
FEC Camera
2022required
Static FEC calibration via GDS2 SPS2. OEM glass only. Same procedure as 2021.
FCA
2022required
Static FEC calibration via GDS2 SPS2. OEM glass only. Same procedure as 2021.
Forward Collision Braking
2022required
Static FEC calibration via GDS2 SPS2. OEM glass only. Same procedure as 2021.
LKA
2022required
Static FEC calibration via GDS2 SPS2. OEM glass only. Same procedure as 2021.
LDW
2022required
Static FEC calibration via GDS2 SPS2. OEM glass only. Same procedure as 2021.
FEC Camera
2023required
Static FEC calibration via GDS2. Standard all trims - always required after windshield work. OEM glass only.
FCA
2023required
Static FEC calibration via GDS2. Standard all trims - always required after windshield work. OEM glass only.
Forward Collision Braking
2023required
Static FEC calibration via GDS2. Standard all trims - always required after windshield work. OEM glass only.
LKA
2023required
Static FEC calibration via GDS2. Standard all trims - always required after windshield work. OEM glass only.
LDW
2023required
Static FEC calibration via GDS2. Standard all trims - always required after windshield work. OEM glass only.
FEC Camera
2024-2026required
Static FEC calibration via GDS2. OEM glass only. Always required.
FCA
2024-2026required
Static FEC calibration via GDS2. OEM glass only. Always required.
Forward Collision Braking
2024-2026required
Static FEC calibration via GDS2. OEM glass only. Always required.
LKA
2024-2026required
Static FEC calibration via GDS2. OEM glass only. Always required.
LDW
2024-2026required
Static FEC calibration via GDS2. OEM glass only. Always required.
Rear Bumper Repair 5
Rear Cross Traffic Braking
2021required
SPS2 PMI if rear radar sensors replaced. Drive-off self-cal. Rear camera static calibration if disturbed. DTC B1AF4 if sensor blocked.
SBZA
2021required
SPS2 PMI if rear radar sensors replaced. Drive-off self-cal. Rear camera static calibration if disturbed. DTC B1AF4 if sensor blocked.
Rear Camera
2021required
SPS2 PMI if rear radar sensors replaced. Drive-off self-cal. Rear camera static calibration if disturbed. DTC B1AF4 if sensor blocked.
Rear Cross Traffic Braking
2022-2026required
PMI if sensors replaced. Drive-off self-cal.
SBZA
2022-2026required
PMI if sensors replaced. Drive-off self-cal.
Any Collision 8
SDM
2021required
Full scan. SDM crash clear or replace. Verify all impact sensors.
FEC
2021required
Full scan. SDM crash clear or replace. Verify all impact sensors.
Rear Sensors
2021required
Full scan. SDM crash clear or replace. Verify all impact sensors.
Airbags
2021required
Full scan. SDM crash clear or replace. Verify all impact sensors.
SDM
2022-2026required
Full scan. SDM crash clear or replace.
FEC
2022-2026required
Full scan. SDM crash clear or replace.
Rear Sensors
2022-2026required
Full scan. SDM crash clear or replace.
Airbags
2022-2026required
Full scan. SDM crash clear or replace.
Any Module Replacement 10
BCM
2021required
SPS2 PMI mandatory via GDS2. FWD/AWD and RS/ACTIV RPO differences affect BCM config.
ECM
2021required
SPS2 PMI mandatory via GDS2. FWD/AWD and RS/ACTIV RPO differences affect BCM config.
TCM
2021required
SPS2 PMI mandatory via GDS2. FWD/AWD and RS/ACTIV RPO differences affect BCM config.
EBCM
2021required
SPS2 PMI mandatory via GDS2. FWD/AWD and RS/ACTIV RPO differences affect BCM config.
SDM
2021required
SPS2 PMI mandatory via GDS2. FWD/AWD and RS/ACTIV RPO differences affect BCM config.
ICS
2021required
SPS2 PMI mandatory via GDS2. FWD/AWD and RS/ACTIV RPO differences affect BCM config.
IPC
2021required
SPS2 PMI mandatory via GDS2. FWD/AWD and RS/ACTIV RPO differences affect BCM config.
All programmed modules
2022required
SPS2 PMI mandatory. Wireless CarPlay RPO config in BCM.
All programmed modules
2023required
SPS2 PMI mandatory. Full Safety Assist RPO in BCM.
All programmed modules
2024-2026required
SPS2 PMI mandatory. Google built-in RPO in BCM config 2024 RS.
Year-by-year details
| Year | VIN split | Infotainment | Trim notes |
|---|---|---|---|
| 2021 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1G1 (Chevy car), 1GC (Chevy truck), 3GN (Chevy SUV). Position 8 = engine code. Position 10 = model year code. | Chevrolet Infotainment 3 | Standard trim configurations for 2021 Chevrolet Trailblazer; verify trim-specific options before ordering modules. |
| 2022 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1G1 (Chevy car), 1GC (Chevy truck), 3GN (Chevy SUV). Position 8 = engine code. Position 10 = model year code. | Chevrolet Infotainment 3 | Standard trim configurations for 2022 Chevrolet Trailblazer; verify trim-specific options before ordering modules. |
| 2023 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1G1 (Chevy car), 1GC (Chevy truck), 3GN (Chevy SUV). Position 8 = engine code. Position 10 = model year code. | Chevrolet Infotainment 3 Premium | Standard trim configurations for 2023 Chevrolet Trailblazer; verify trim-specific options before ordering modules. |
| 2024 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1G1 (Chevy car), 1GC (Chevy truck), 3GN (Chevy SUV). Position 8 = engine code. Position 10 = model year code. | Chevrolet Infotainment 3 Premium | Standard trim configurations for 2024 Chevrolet Trailblazer; verify trim-specific options before ordering modules. |
| 2025 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1G1 (Chevy car), 1GC (Chevy truck), 3GN (Chevy SUV). Position 8 = engine code. Position 10 = model year code. | Chevrolet Infotainment 3 Premium | Standard trim configurations for 2025 Chevrolet Trailblazer; verify trim-specific options before ordering modules. |
| 2026 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1G1 (Chevy car), 1GC (Chevy truck), 3GN (Chevy SUV). Position 8 = engine code. Position 10 = model year code. | Chevrolet Infotainment 3 Premium | Standard trim configurations for 2026 Chevrolet Trailblazer; verify trim-specific options before ordering modules. |
What changes across 2021-2026
Differences versus the generation reference. Years not listed here match the shared platform data on this page.
2022
- Trims: Standard trim configurations for 2022 Chevrolet Trailblazer; verify trim-specific options before ordering modules.
2023
- Infotainment: Chevrolet Infotainment 3 Premium (was Chevrolet Infotainment 3)
- Trims: Standard trim configurations for 2023 Chevrolet Trailblazer; verify trim-specific options before ordering modules.
2024
- Infotainment: Chevrolet Infotainment 3 Premium (was Chevrolet Infotainment 3)
- Trims: Standard trim configurations for 2024 Chevrolet Trailblazer; verify trim-specific options before ordering modules.
2025
- Infotainment: Chevrolet Infotainment 3 Premium (was Chevrolet Infotainment 3)
- Trims: Standard trim configurations for 2025 Chevrolet Trailblazer; verify trim-specific options before ordering modules.
2026
- Infotainment: Chevrolet Infotainment 3 Premium (was Chevrolet Infotainment 3)
- Trims: Standard trim configurations for 2026 Chevrolet Trailblazer; verify trim-specific options before ordering modules.
10 ADAS systems documented across the 2021-2026 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
Front Camera System (Forward Collision Alert/Lane Keeping Assist), Rear Cross Traffic Braking, Side Blind Zone Alert - RPO UHX/UFG/UAG
Scroll for part numbers and Details
| System | Type | Category | Cal. Type | Supported | Part # | Actions |
|---|---|---|---|---|---|---|
| Forward Collision Alert / Intelligent Forward Collision Braking 2021 | Front Camera | Camera | Static | YES | 13530523 | |
| Lane Keep Assist / Lane Departure Warning (LKA/LDW) | Forward Camera | Camera | Static | YES | 13530523 | |
| Rear Cross Traffic Braking 2021 | Rear Radar | Radar | None | YES | 13530540 | |
| Side Blind Zone Alert 2021 | Side Radar | Radar | None | YES | 13530540 (L), 13530541 (R) | |
| Rear View Camera 2021 | Rear Camera | Camera | Static | YES | 13530550 | |
| Forward Collision Alert / Intelligent Forward Collision Braking 2022, 2024-2026 | Front Camera | Camera | Static | YES | 13530523 | |
| Rear Cross Traffic Braking 2022 | Rear Radar | Radar | None | YES | 13530540 | |
| Side Blind Zone Alert 2022-2026 | Side Radar | Radar | None | YES | 13530540 (L), 13530541 (R) | |
| Forward Collision Alert / Intelligent Forward Collision Braking 2023 | Front Camera | Camera | Static | YES | 13530523 | |
| Rear Cross Traffic Braking 2023-2026 | Rear Radar | Radar | None | YES | 13530540 |
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 2021 Affected: FEC Camera, FCA, Intelligent Forward Collision Braking, LKA, LDW
Static FEC calibration via GDS2 SPS2. OEM or equivalent glass only. DTC B127E if skipped. VSS-F windshield rake angle critical for EyeQ3.
Rear Bumper Repair 2021 Affected: Rear Cross Traffic Braking, SBZA, Rear Camera
SPS2 PMI if rear radar sensors replaced. Drive-off self-cal. Rear camera static calibration if disturbed. DTC B1AF4 if sensor blocked.
Any Collision 2021 Affected: SDM, FEC, Rear Sensors, Airbags
Full scan. SDM crash clear or replace. Verify all impact sensors.
Any Module Replacement 2021 Affected: BCM, ECM, TCM, EBCM, SDM, ICS, IPC
SPS2 PMI mandatory via GDS2. FWD/AWD and RS/ACTIV RPO differences affect BCM config.
Windshield Replacement 2022 Affected: FEC Camera, FCA, Forward Collision Braking, LKA, LDW
Static FEC calibration via GDS2 SPS2. OEM glass only. Same procedure as 2021.
Rear Bumper Repair 2022-2026 Affected: Rear Cross Traffic Braking, SBZA
PMI if sensors replaced. Drive-off self-cal.
Any Collision 2022-2026 Affected: SDM, FEC, Rear Sensors, Airbags
Full scan. SDM crash clear or replace.
Any Module Replacement 2022 Affected: All programmed modules
SPS2 PMI mandatory. Wireless CarPlay RPO config in BCM.
Windshield Replacement 2023 Affected: FEC Camera, FCA, Forward Collision Braking, LKA, LDW
Static FEC calibration via GDS2. Standard all trims - always required after windshield work. OEM glass only.
Any Module Replacement 2023 Affected: All programmed modules
SPS2 PMI mandatory. Full Safety Assist RPO in BCM.
Windshield Replacement 2024-2026 Affected: FEC Camera, FCA, Forward Collision Braking, LKA, LDW
Static FEC calibration via GDS2. OEM glass only. Always required.
Any Module Replacement 2024-2026 Affected: All programmed modules
SPS2 PMI mandatory. Google built-in RPO in BCM config 2024 RS.
11 gateway, immobilizer, and security items documented across the 2021-2026 generation.
Gateway / Security Modules
Central Gateway Module Dealer security required
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3585
- Notes
- Compatibility label: Chevrolet. Air conditioning Notes: Read/Write
Central Gateway Module Dealer security required
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3558
- Notes
- Compatibility label: Buick. BCM Notes: Read/Write
Central Gateway Module Dealer security required
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Various / Unlisted
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- 1M12S
- Notes
- Compatibility label: CRUZE. BCM Notes: Years: 2015-
Central Gateway Module Dealer security required
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Various / Unlisted
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- 1M12S
- Notes
- Compatibility label: Cavalier. BCM Notes: Years: 2015-
Central Gateway Module Dealer security required
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Various / Unlisted
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- 1M12S
- Notes
- Compatibility label: Excelle. BCM Notes: Years: 2015-
Central Gateway Module Dealer security required
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2021, 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Various / Unlisted
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- 1M12S
- Notes
- Compatibility label: SAIL. BCM Notes: Years: 2015-
ARCHITECTURE & CONNECTIVITY
Architecture & Connectivity
- Body Construction
- High-strength steel unibody
- OBD Protocol
- ISO 15765-4 CAN
- CAN Architecture
- GMLAN HS-CAN 500kbps, MS-GMLAN 33.3kbps, LIN bus
- Infotainment
- Chevy Infotainment 3 - 8 inch (wireless CarPlay on RS)
- OTA Capable
- No
- Infotainment Name
- Chevrolet Infotainment 3
- ECU/TCM Unlocking
- Contact us
- ECU/TCM Flashing
- Available
Reviewed coverage: 2021-2026 - 2.8L Duramax 16v (LWN).
Confirm the exact engine, ECU, and any prerequisite access method before service.
Confirmation is limited to reviewed year/engine rows; other variants require confirmation.
WHAT WE RESOLVE
1st Gen (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 Collision Alert / Intelligent Forward Collision Braking (2021), Lane Keep Assist / Lane Departure Warning (LKA/LDW), Rear Cross Traffic Braking (2021), and Side Blind Zone Alert (2021). Year-marked systems apply only to the shown range.
- SRS crash-data and warning light SRS service can involve Sensing & Diagnostic Module (SDM). 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.
FREQUENTLY ASKED QUESTIONS
FAQ
Can you program Chevrolet Trailblazer (2021-2026) modules?
Yes. Core Auto Logic supports generation-scoped module programming for the Chevrolet Trailblazer (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 Trailblazer (2021-2026)?
The Chevrolet Trailblazer (2021-2026) generation currently shows 17 core module records across ECU/PCM, BCM, TCU/TCM, ABS/EBCM, and SRS groups. SRS modules include Sensing & Diagnostic Module (SDM). Part numbers and module variants must be confirmed for your exact year/VIN. Reference part number: 13524236 - confirm for your exact year/VIN.
Does Chevrolet Trailblazer (2021-2026) need ADAS calibration after glass or collision work?
The merged generation data documents 10 ADAS systems, including Forward Collision Alert / Intelligent Forward Collision Braking (2021), Lane Keep Assist / Lane Departure Warning (LKA/LDW), Rear Cross Traffic Braking (2021), Side Blind Zone Alert (2021), and Rear View Camera (2021). Calibration triggers include Windshield Replacement (2021), Rear Bumper Repair (2021), Any Collision (2021), and Any Module Replacement (2021). Procedure type is VIN-specific scan-tool procedure; verify exact requirements by VIN before setup.
Can you reset the airbag module on Chevrolet Trailblazer (2021-2026)?
Yes. The generation data includes 4 SRS records, including Sensing & Diagnostic Module (SDM). 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: 13524236 - confirm for your exact year/VIN.
Do all Chevrolet Trailblazer (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.
How long does service take for Chevrolet Trailblazer (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 service is available nationwide. Exact service eligibility is confirmed from the year, VIN, module, and requested scope.
Is Chevrolet Trailblazer (2021-2026) service mobile or mail-in?
Mobile service covers DFW on-vehicle diagnostics, post-repair coding, and supported module work. Mail-in module service is available nationwide. We confirm the active path for your exact year, VIN, module, and requested scope before service.
More Trailblazer generations
1st Gen 2021-2026 You are here
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