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3rd Gen K2XX - 2015-2019 generation coverage
2015-2019 GMC Sierra 2500HD 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.
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Find your module
50 documented GMC Sierra 2500HD module records across the 2015-2019 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 - 6.6L L8T V8 Gasoline Bench clone required 1 record
Module information indicates cloning or bench work.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Donor must match part family ~12694 (VERIFY GMDB) - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- ~12694 (VERIFY GMDB)
- Protocol / method
- OBD Programming Port
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Delco E80
- Notes
- SPS via TIS2WEB. VIN tie. PASS-Key transfer. Cam phaser relearn. Injector balance reset. Allison 6L90 quick learn after.
ECM - 6.6L L5P Duramax Diesel Bench clone required 1 record
Module information indicates cloning or bench work.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Donor must match part family ~12708 (VERIFY GMDB) - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- ~12708 (VERIFY GMDB)
- Protocol / method
- OBD Programming Port
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Delco/Bosch diesel ECM
- Notes
- DIESEL CRITICAL: SPS via TIS2WEB. DPF adaptation reset, DEF relearn, injector return flow cal, EGR relearn, NOx sensor relearn after replacement. Allison 10-speed quick learn after.
TCM - Allison 6L90 Bench clone required 1 record
Module information indicates cloning or bench work.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Donor must match part family ~24285 (VERIFY GMDB) - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- ~24285 (VERIFY GMDB)
- Protocol / method
- OBD Programming Port
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Delco TCM
- Notes
- SPS via TIS2WEB. GDS2 quick learn. Adaptive shift reset.
TCM - Allison 10L1000 (L5P Diesel) Bench clone required 1 record
Module information indicates cloning or bench work.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Donor must match part family ~24294 (VERIFY GMDB) - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- ~24294 (VERIFY GMDB)
- Protocol / method
- OBD Programming Port
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Allison TCM
- Notes
- SPS via TIS2WEB. Allison 10-speed quick learn. L5P diesel only.
ECM (GM Genuine Parts restricted catalog reference) 3 records
Documented for 2017 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2017
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 12720006
- Notes
- Parts reference: GM Genuine Parts physical Engine Control Module (ECM) 12720006 for 2017 GMC Sierra 2500 HD, 6.6L V8 Turbo DIESEL, engine VIN character Y only; quantity 1 per vehicle. ACDelco Online Catalog V30E10R2, reviewed October 25, 2026, lists the exact expanded Sierra 2500 HD Buyers Guide year/engine branch. No RPO or ECU family is printed for this branch; none is assigned here. No build interval, emissions, drivetrain, transmission or equipment sub-allocation is established. Match complete VIN, original ECM and current OEM catalog before ordering; exact replacement selection, supersession, availability, stock, warranty eligibility, interchange and repair capability remain unverified. No gasoline, Sierra 1500/3500, Silverado, other model or other year application is included. No relationship to previously held GM HD module numbers is established; all prior selection holds remain. Existing scalar numbers and family/RPO statements are preserved separately without being revalidated by this reference.
Documented for 2018 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2018
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 12720006
- Notes
- Parts reference: GM Genuine Parts physical Engine Control Module (ECM) 12720006 for 2018 GMC Sierra 2500 HD, 6.6L V8 Turbo DIESEL, engine VIN character Y only; quantity 1 per vehicle. ACDelco Online Catalog V30E10R2, reviewed October 25, 2026, lists the exact expanded Sierra 2500 HD Buyers Guide year/engine branch. No RPO or ECU family is printed for this branch; none is assigned here. No build interval, emissions, drivetrain, transmission or equipment sub-allocation is established. Match complete VIN, original ECM and current OEM catalog before ordering; exact replacement selection, supersession, availability, stock, warranty eligibility, interchange and repair capability remain unverified. No gasoline, Sierra 1500/3500, Silverado, other model or other year application is included. No relationship to previously held GM HD module numbers is established; all prior selection holds remain. Existing scalar numbers and family/RPO statements are preserved separately without being revalidated by this reference.
Documented for 2019 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 12720006
- Notes
- Parts reference: GM Genuine Parts physical Engine Control Module (ECM) 12720006 for 2019 GMC Sierra 2500 HD, 6.6L V8 Turbo DIESEL, engine VIN character Y only; quantity 1 per vehicle. ACDelco Online Catalog V30E10R2, reviewed October 25, 2026, lists the exact expanded Sierra 2500 HD Buyers Guide year/engine branch. No RPO or ECU family is printed for this branch; none is assigned here. No build interval, emissions, drivetrain, transmission or equipment sub-allocation is established. Match complete VIN, original ECM and current OEM catalog before ordering; exact replacement selection, supersession, availability, stock, warranty eligibility, interchange and repair capability remain unverified. No gasoline, Sierra 1500/3500, Silverado, other model or other year application is included. No relationship to previously held GM HD module numbers is established; all prior selection holds remain. Existing scalar numbers and family/RPO statements are preserved separately without being revalidated by this reference.
TCM / Transmission
TCU - Allison 1000 6-Speed Auto Verify by VIN 2015 29545538
Documented for 2015 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2015
Donor must match part family 29545538 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 29545538
- Protocol / method
- Bench
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- NXP MPC5566
- Notes
- GM GDS2/MDI or Allison DOC required. TranSynd ATF. TCM relearn via scan tool. New generation platform.
TCU - Allison 1000 6-Speed Auto Verify by VIN 2016-2018 29545538
Documented for 2016-2018 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2016, 2017, 2018
Donor must match part family 29545538 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 29545538
- Protocol / method
- Bench
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- NXP MPC5566
- Notes
- GM GDS2/MDI or Allison DOC required. TranSynd ATF. TCM relearn via scan tool.
TCU - Allison 1000 6-Speed Auto Verify by VIN 2019 29545538
Documented for 2019 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2019
Donor must match part family 29545538 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 29545538
- Protocol / method
- Bench
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- NXP MPC5566
- Notes
- GM GDS2/MDI or Allison DOC required. TranSynd ATF. TCM relearn via scan tool. Final year 4th Gen.
BCM / Body electronics
Body Control Module (BCM) Bench clone required ~84252 (VERIFY GMDB)
Module information indicates cloning or bench work.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Donor must match part family ~84252 (VERIFY GMDB) - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- ~84252 (VERIFY GMDB)
- Security
- PASS-Key III+
- Coding required
- Yes
- Cloning supported
- Yes
- Notes
- SPS via TIS2WEB. All keys at relearn. Configure RPO options including Super Cruise (RPO UDD) on Denali Ultimate. VIN programming required.
TCCM (Transfer Case Control Module) Bench clone required ~84 (VERIFY GMDB)
Module information indicates cloning or bench work.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Donor must match part family ~84 (VERIFY GMDB) - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- ~84 (VERIFY GMDB)
- Security
- standard_uds
- Coding required
- Yes
- Cloning supported
- Yes
- Notes
- SPS PMI. Transfer case learn via GDS2.
Trailer Brake Control Module Verify by VIN ~23360 (VERIFY GMDB)
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- ~23360 (VERIFY GMDB)
- Security
- standard_uds
- Coding required
- Yes
- Cloning supported
- No
- Notes
- GDS2 TBC init. Connect trailer to verify brake output.
SRS / Airbag
Sensing & Diagnostic Module (SDM) 26 records
Under center console
Documented for 2015-2017 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2015, 2016, 2017
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 23381964
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84057079
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84057073
- 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.
Under center console
Documented for 2015-2018 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84057074
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84057080
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13518044
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13578676
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 23425293
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 23425292
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13578678
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13578677
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 22886642
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 22886641
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84057076
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84057077
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84057082
- 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.
Under center console
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84057083
- 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.
Under center console
Documented for 2015-2016 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2015, 2016
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13518054
- 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.
Under center console
Documented for 2015-2016 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2015, 2016
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13518051
- 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.
Under center console
Documented for 2017-2019 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13507217
- 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.
Under center console
Documented for 2017-2018 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2017, 2018
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13507224
- 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.
Under center console
Documented for 2017-2018 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2017, 2018
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13507221
- 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.
Under center console
Documented for 2019 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 13524234
- 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.
Under center console
Documented for 2019 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84396838
- 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.
Under center console
Documented for 2019 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84396837
- 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.
Under center console
Documented for 2019 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2019
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.
ABS / Brakes
Electronic Brake Control Module (EBCM) Bench clone required ~84 (VERIFY GMDB)
Module information indicates cloning or bench work.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Donor must match part family ~84 (VERIFY GMDB) - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- ~84 (VERIFY GMDB)
- Cloning supported
- Yes
- Notes
- GDS2 ABS init + 4-wheel pressure bleed. SAS zero-point calibration - drive straight 35+ mph after GDS2 reset.
Other modules
Instrument Panel Cluster (IPC) Verify by VIN 2015-2017 84003985
Documented for 2015-2017 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2015, 2016, 2017
Donor must match part family 84003985 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84003985
- 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.
Instrument Panel Cluster (IPC) Verify by VIN 2015-2018 84003987
Documented for 2015-2018 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018
Donor must match part family 84003987 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84003987
- 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.
Instrument Panel Cluster (IPC) Verify by VIN 2018-2019 84216551
Documented for 2018-2019 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2018, 2019
Donor must match part family 84216551 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84216551
- 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.
Instrument Panel Cluster (IPC) Verify by VIN 2019 84510483
Documented for 2019 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2019
Donor must match part family 84510483 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- 84510483
- 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
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
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 (clock spring / steering column module
Steering Angle Sensor (SAS) Verify by VIN
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Coding required
- Yes
- Notes
- cross-year extension)
Connectivity / Accessories
GMC Infotainment 3 Plus ICS Verify by VIN ~84 (VERIFY GMDB)
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- ~84 (VERIFY GMDB)
- Notes
- SPS via TIS2WEB. 13.4-inch on Denali Ultimate. OTA capable.
Super Cruise Module / Attention Camera Verify by VIN ~84 (VERIFY GMDB)
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- ~84 (VERIFY GMDB)
- Notes
- Denali Ultimate only. GDS2 SPS2 init. OnStar + HD map required. Map update after module replacement.
IPC (Instrument Panel Cluster) Verify by VIN ~84 (VERIFY GMDB)
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- ~84 (VERIFY GMDB)
- Notes
- SPS via TIS2WEB. Mileage in BCM.
Power Steering Control Module (PSCM) Verify by VIN ~84 (VERIFY GMDB)
Confirm the procedure for your VIN and part number. Review the documented notes below.
Coverage and replacement notes
Documented years: 2015, 2016, 2017, 2018, 2019
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- ~84 (VERIFY GMDB)
- Notes
- SPS via TIS2WEB. SAS calibration after replacement.
Reference information for 2015-2019. Coverage can vary by year and equipment. Confirm the VIN and full part number before ordering a replacement.
Vehicle overview
- Vehicle
- GMC Sierra 2500HD
- Model years
- 2015-2019
- Generation
- 3rd Gen K2XX
- Platform
- K2XX
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 (26 documented rows)
- Read codes on ECU systems (7 documented rows)
- Read codes on BCM systems (3 documented rows)
- Read codes on TCU / TCM systems (3 documented rows)
- Read codes on ABS systems (1 documented row)
- Read codes on IPC / SAS systems (6 documented rows)
- Read codes on Keys systems (1 documented row)
- Read codes on Immobilizer systems (1 documented row)
- Read codes on Accessory systems (4 documented rows)
Limitations
- ECU programming, coding, cloning, or security work (4 documented rows)
- BCM programming, coding, cloning, or security work (2 documented rows)
- ABS programming, coding, cloning, or security work (1 documented row)
- Immobilizer programming, coding, cloning, or security work (1 documented row)
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 (4 documented rows)
- BCM bench clone rows (2 documented rows)
- ABS bench clone rows (1 documented row)
Dealer or specialist
View capabilities and limitations
Supported work
- Immobilizer dealer security rows (1 documented row)
Dealer security and specialist module work should be scoped by VIN before you buy parts or pay for programming.
Get a QuoteKnow this platform
This platform uses GMLAN (HS-CAN 500kbps + MS-CAN 33.3kbps); LIN bus; OBD2 DLC Pin 6/14 HS-CAN 500kbps with ISO 15765-4 CAN (500kbps HS-CAN).
- CAN
- GMLAN (HS-CAN 500kbps + MS-CAN 33.3kbps); LIN bus; OBD2 DLC Pin 6/14 HS-CAN 500kbps
- OBD
- ISO 15765-4 CAN (500kbps HS-CAN)
Generation service summary for GMC Sierra 2500HD 3rd Gen K2XX (2015-2019)
Generation coverage
This page consolidates GMC Sierra 2500HD service data for 2015-2019 across 5 model years; service information is available for 5 years.
Choose a yearADAS coverage
Merged ADAS coverage includes 12 system records, including Forward Camera (Monocular) (2015-2018), Forward Radar (77GHz) (2015-2018), Blind Spot Monitor Sensor - Left (BSM) (2015-2018), and Blind Spot Monitor Sensor - Right (BSM) (2015-2018). Year-marked systems apply only to the shown range.
View ADAS dataCalibration triggers
This generation has 10 merged calibration trigger records. Trigger applicability can vary by year - verify by VIN before setup.
View triggersProgrammable modules
The merged generation page indexes 50 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 GMC Sierra 2500HD 2015-2019 span, with exact-year validation before service. Mail-in module service is available nationwide.
Get a quoteDo I need calibration?
Windshield Replacement 5
FEC Camera
2015-2019required
FEC static calibration required. Super Cruise: FEC must be calibrated before Super Cruise re-enable. Attention camera function verify after any windshield or interior work on Super Cruise builds.
FCA
2015-2019required
FEC static calibration required. Super Cruise: FEC must be calibrated before Super Cruise re-enable. Attention camera function verify after any windshield or interior work on Super Cruise builds.
AEB
2015-2019required
FEC static calibration required. Super Cruise: FEC must be calibrated before Super Cruise re-enable. Attention camera function verify after any windshield or interior work on Super Cruise builds.
Lane Keep Assist
2015-2019required
FEC static calibration required. Super Cruise: FEC must be calibrated before Super Cruise re-enable. Attention camera function verify after any windshield or interior work on Super Cruise builds.
Super Cruise (Denali Ultimate)
2015-2019required
FEC static calibration required. Super Cruise: FEC must be calibrated before Super Cruise re-enable. Attention camera function verify after any windshield or interior work on Super Cruise builds.
Front Bumper Repair 2
Front Radar
2015-2019required
Radar aim calibration via GDS2. Super Cruise requires radar + FEC both calibrated. Inspect bracket.
Super Cruise
2015-2019required
Radar aim calibration via GDS2. Super Cruise requires radar + FEC both calibrated. Inspect bracket.
DPF / DEF Service (Diesel L5P) 5
ECM
2015-2019required
Mandatory DPF adaptation reset, DEF relearn, EGR relearn, NOx sensor relearn after any diesel emissions system service.
DPF
2015-2019required
Mandatory DPF adaptation reset, DEF relearn, EGR relearn, NOx sensor relearn after any diesel emissions system service.
DEF
2015-2019required
Mandatory DPF adaptation reset, DEF relearn, EGR relearn, NOx sensor relearn after any diesel emissions system service.
EGR
2015-2019required
Mandatory DPF adaptation reset, DEF relearn, EGR relearn, NOx sensor relearn after any diesel emissions system service.
NOx Sensors
2015-2019required
Mandatory DPF adaptation reset, DEF relearn, EGR relearn, NOx sensor relearn after any diesel emissions system service.
Any Collision 6
SDM
2015-2019required
SDM replace-only after deployment. Full scan + ADAS recalibration. Super Cruise verification after any front-end collision.
all airbags
2015-2019required
SDM replace-only after deployment. Full scan + ADAS recalibration. Super Cruise verification after any front-end collision.
FEC
2015-2019required
SDM replace-only after deployment. Full scan + ADAS recalibration. Super Cruise verification after any front-end collision.
Front Radar
2015-2019required
SDM replace-only after deployment. Full scan + ADAS recalibration. Super Cruise verification after any front-end collision.
SBZA
2015-2019required
SDM replace-only after deployment. Full scan + ADAS recalibration. Super Cruise verification after any front-end collision.
Super Cruise
2015-2019required
SDM replace-only after deployment. Full scan + ADAS recalibration. Super Cruise verification after any front-end collision.
Lift or Level Kit 2
Front Radar
2015-2019required
Radar and camera calibration required at final ride height. Very common trigger on Sierra 2500 HD.
FEC Camera
2015-2019required
Radar and camera calibration required at final ride height. Very common trigger on Sierra 2500 HD.
Forward Camera Replacement 1
2015-2019
Yes
Camera module replacement requires full recalibration using GDS2/MDI2.
Rear Bumper Repair or Replacement 1
2015-2019
Yes
BSD radar alignment required after rear bumper R&R. Use GDS2/MDI2.
BSM Sensor Replacement 1
2015-2019
Yes
Blind spot monitoring sensor replacement requires calibration using GDS2/MDI2.
Mirror Replacement 1
2015-2019
Conditional
If BSD sensor is mirror-integrated, recalibration required. Verify sensor location; use GDS2/MDI2 if applicable.
Forward Radar Replacement 1
2019
Yes
Radar module replacement requires alignment/calibration using GDS2/MDI2.
Year-by-year details
| Year | VIN split | Infotainment | Trim notes |
|---|---|---|---|
| 2015 | 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. | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. | |
| 2016 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code. | GMC IntelliLink | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. |
| 2017 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code. | GMC IntelliLink | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. |
| 2018 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code. | GMC IntelliLink | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. |
| 2019 | VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code. | GMC IntelliLink | Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements. |
12 ADAS systems documented across the 2015-2019 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
Forward Collision Alert/Automatic Emergency Braking, Lane Change Alert w/Blind Spot Monitoring, Rear Cross-Traffic Alert, Super Cruise (Denali Ultimate), ProGrade Trailering
Scroll for part numbers and Details
| System | Type | Category | Cal. Type | Supported | Part # | Actions |
|---|---|---|---|---|---|---|
| Forward Camera (Monocular) 2015-2018 | Forward Camera | Camera | Static | YES | ~84394 (VERIFY GMDB BY VIN) | |
| Forward Radar (77GHz) 2015-2018 | Front Radar | Radar | Static | YES | ~84277 (VERIFY GMDB) | |
| Blind Spot Monitor Sensor - Left (BSM) 2015-2018 | Side Radar | Radar | Static + Dynamic | YES | ~23367640 (VERIFY GMDB) | |
| Blind Spot Monitor Sensor - Right (BSM) 2015-2018 | Side Radar | Radar | Static + Dynamic | YES | ~23367641 (VERIFY GMDB) | |
| HD Surround Vision Camera System (4-camera, if equipped) 2015-2018 | Multi-Camera | Camera | Static | YES | ~84 EACH CAMERA (VERIFY GMDB) | |
| Trailer Brake Controller (TBC) 2015-2018 | Trailer Integration | Other | None | YES | ~23360 (VERIFY GMDB) | |
| HD Rear Camera / Hitch Guidance 2015-2018 | Rear Camera | Camera | None | YES | ~84495 (VERIFY GMDB) | |
| Forward Camera (Monocular) 2019 | Forward Camera | Camera | Static | YES | - | |
| Forward Radar (77GHz) 2019 | Front Radar | Radar | Static | YES | ACC-RADAR-77GHZ | |
| Side Blind Zone Alert (SBZA/BSM) 2019 | Side Radar | Radar | Static + Dynamic | YES | - | |
| Lane Keep Assist (LKA) 2019 | Lane Keeping | Camera | Static | YES | - | |
| Rear Cross Traffic Alert (RCTA) 2019 | Rear Cross Traffic | Radar | None | 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 Affected: FEC Camera, FCA, AEB, Lane Keep Assist, Super Cruise (Denali Ultimate)
FEC static calibration required. Super Cruise: FEC must be calibrated before Super Cruise re-enable. Attention camera function verify after any windshield or interior work on Super Cruise builds.
Front Bumper Repair Affected: Front Radar, Super Cruise
Radar aim calibration via GDS2. Super Cruise requires radar + FEC both calibrated. Inspect bracket.
DPF / DEF Service (Diesel L5P) Affected: ECM, DPF, DEF, EGR, NOx Sensors
Mandatory DPF adaptation reset, DEF relearn, EGR relearn, NOx sensor relearn after any diesel emissions system service.
Any Collision Affected: SDM, all airbags, FEC, Front Radar, SBZA, Super Cruise
SDM replace-only after deployment. Full scan + ADAS recalibration. Super Cruise verification after any front-end collision.
Lift or Level Kit Affected: Front Radar, FEC Camera
Radar and camera calibration required at final ride height. Very common trigger on Sierra 2500 HD.
Forward Camera Replacement
Camera module replacement requires full recalibration using 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.
Forward Radar Replacement 2019
Radar module replacement requires alignment/calibration using GDS2/MDI2.
2 gateway, immobilizer, and security items documented across the 2015-2019 generation.
ARCHITECTURE & CONNECTIVITY
Architecture & Connectivity
- Body Construction
- Body-on-frame; high-strength steel ladder frame; steel cab and bed
- OBD Protocol
- ISO 15765-4 CAN (500kbps HS-CAN)
- CAN Architecture
- GMLAN (HS-CAN 500kbps + MS-CAN 33.3kbps); LIN bus; OBD2 DLC Pin 6/14 HS-CAN 500kbps
- Infotainment
- GMC Infotainment 3 Plus - 13.4-inch Denali Ultimate; wireless CarPlay; OTA updates
- OTA Capable
- No
- Infotainment Name
- GMC IntelliLink
- ECU/TCM Unlocking
- Contact us
- ECU/TCM Flashing
- Contact us
WHAT WE RESOLVE
3rd Gen K2XX (2015-2019) 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) (2015-2018), Forward Radar (77GHz) (2015-2018), Blind Spot Monitor Sensor - Left (BSM) (2015-2018), and Blind Spot Monitor Sensor - Right (BSM) (2015-2018). Year-marked systems apply only to the shown range.
- SRS crash-data and warning light SRS service can involve Sensing & Diagnostic Module (SDM) (2015-2017), Sensing & Diagnostic Module (SDM), and Sensing & Diagnostic Module (SDM) (2015-2018). 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 GMC Sierra 2500HD (2015-2019) modules?
Yes. Core Auto Logic supports generation-scoped module programming for the GMC Sierra 2500HD (2015-2019). The merged generation data includes ECU/PCM, BCM, TCU/TCM, ABS/EBCM, and SRS coverage. Rows marked with a year range apply only to that part of the span; unmarked rows are present across the merged generation data.
Which modules are documented for GMC Sierra 2500HD (2015-2019)?
The GMC Sierra 2500HD (2015-2019) generation currently shows 40 core module records across ECU/PCM, BCM, TCU/TCM, ABS/EBCM, and SRS groups. SRS modules include Sensing & Diagnostic Module (SDM) (2015-2017), Sensing & Diagnostic Module (SDM), and Sensing & Diagnostic Module (SDM) (2015-2018). Part numbers and module variants must be confirmed for your exact year/VIN. Reference part number: 23381964 (2015-2017) - confirm for your exact year/VIN.
Does GMC Sierra 2500HD (2015-2019) need ADAS calibration after glass or collision work?
The merged generation data documents 12 ADAS systems, including Forward Camera (Monocular) (2015-2018), Forward Radar (77GHz) (2015-2018), Blind Spot Monitor Sensor - Left (BSM) (2015-2018), Blind Spot Monitor Sensor - Right (BSM) (2015-2018), and HD Surround Vision Camera System (4-camera, if equipped) (2015-2018). Calibration triggers include Windshield Replacement, Front Bumper Repair, DPF / DEF Service (Diesel L5P), and Any Collision. Procedure type is VIN-specific scan-tool procedure; verify exact requirements by VIN before setup.
Can you reset the airbag module on GMC Sierra 2500HD (2015-2019)?
Yes. The generation data includes 26 SRS records, including Sensing & Diagnostic Module (SDM) (2015-2017), Sensing & Diagnostic Module (SDM), and Sensing & Diagnostic Module (SDM) (2015-2018). 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: 23381964 (2015-2017) - confirm for your exact year/VIN.
Do all GMC Sierra 2500HD (2015-2019) years use the same parts?
No assumption should be made across the full span. The generation page merges rows across 2015-2019; 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 GMC Sierra 2500HD (2015-2019)?
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 GMC Sierra 2500HD (2015-2019) 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 Sierra 2500HD generations
GMT800 HD 2001-2006 2nd Gen GMT900 2007-2014 3rd Gen K2XX 2015-2019 You are here 4th Gen T1XX 2020-2026
Finish the repair
Need help finishing this repair?
Factory diagnostic software is available. We confirm the appropriate software and supported procedure for your vehicle.
Get onsite help in Dallas-Fort Worth. Ask about same-day availability or a one-time remote session for eligible work.
GM Techline Connect Core Auto Logic has full GM Techline Connect access for Chevrolet, GMC, Buick and Cadillac vehicles. We confirm the supported procedure for your vehicle. Module programming & recovery Replacing a module or dealing with a failed programming attempt? Send the part numbers and fault scan for review. Onsite tools & equipment Bring in a technician or ask about hourly, daily and weekly rentals where licensing and equipment availability allow.