GMC Hummer EV Pickup Service Bulletins

905 manufacturer communications on file.

• August 1, 2022•Document ID: 10216842

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM

  Mfr Comm. #:

  N222362090

  Date Added:

  August 1, 2022

  Manufacturer:

  GMC

  Summary

  Customer Satisfaction Program. Certain vehicles may have a condition in which the high voltage connector may corrode and allow water to leak into the high voltage battery. A Malfunction Indicator Light (MIL) may illuminate if this issue occurs. Dealers will apply sealant to seal the high voltage connector.

  Associated Products (1)

  2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10216842-0001.pdf↗
• July 28, 2022•Document ID: 10217791

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY:DOOR

  Mfr Comm. #:

  PIT5933

  Date Added:

  August 15, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates how to repair a loose trim bolt cap on the front door panels of the 2022 HUMMER EV.

  Associated Products (1)

  2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10217791-0001.pdf↗
• July 27, 2022•Document ID: 10217119

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  22-NA-145

  Date Added:

  August 4, 2022

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Super Cruise Enhancement: Trailering and Active Lane Change.

  Associated Products (1)

  2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10217119-0001.pdf↗
• July 25, 2022•Document ID: 10217107

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  21-NA-189

  Date Added:

  August 4, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on Super Cruise Escalation Cancellation.

  Associated Products (13)

  2023 Cadillac Lyriq2023 Cadillac XT62023 GMC Hummer EV Pickup2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT62022 GMC Hummer EV Pickup2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV
  Associated Documents

  • DownloadMC-10217107-0001.pdf↗
• July 22, 2022•Document ID: 10217043

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  04-00-89-015X

  Date Added:

  August 3, 2022

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).

  Associated Products (84)

  2023 Buick Enclave2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT5+ 64 more
  Associated Documents

  • DownloadMC-10217043-0001.pdf↗
• July 19, 2022•Document ID: 10217073

  Service Bulletin/Repair Instructions
  STRUCTURE; STRUCTURE:INTERIOR PANELS:DOOR; ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-144

  Date Added:

  August 3, 2022

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to inspect the X500 electrical connector for corrosion and to repair it if found with corrosion and to also reseal the body panels if the concern has or has not been found.

  Associated Products (1)

  2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10217073-0001.pdf↗
• July 18, 2022•Document ID: 10217048

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  18-NA-306

  Date Added:

  August 3, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

  Associated Products (80)

  2023 Buick Enclave2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT5+ 60 more
  Associated Documents

  • DownloadMC-10217048-0001.pdf↗
• July 15, 2022•Document ID: 10217775

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5857C

  Date Added:

  August 15, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that the High Voltage Voltage Battery pack is not on TAC Exchange. For Engineering Review.

  Associated Products (1)

  2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10217775-0001.pdf↗
• July 13, 2022•Document ID: 10217768

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  PIT5857B

  Date Added:

  August 15, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that the High Voltage Voltage Battery pack is not on TAC Exchange. For Engineering Review.

  Associated Products (1)

  2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10217768-0001.pdf↗
• July 11, 2022•Document ID: 10216052

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-141

  Date Added:

  July 20, 2022

  Manufacturer:

  GMC

  Summary

  This service bulletin provides Battery Service Guide information for electric vehicles (EV).

  Associated Products (3)

  2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10216052-0001.pdf↗
• July 1, 2022•Document ID: 10217759

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM

  Mfr Comm. #:

  PIT5925

  Date Added:

  August 15, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the field that water hitting the cooling fans can set a false DTC: P0494 for the new 2022 HUMMER EV.

  Associated Products (1)

  2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10217759-0001.pdf↗
• July 1, 2022•Document ID: 10214704

  Service Bulletin/Repair Instructions
  SUSPENSION; ELECTRICAL SYSTEM

  Mfr Comm. #:

  N222360900

  Date Added:

  July 1, 2022

  Manufacturer:

  GMC

  Summary

  Customer Satisfaction Program. This bulletin contains the service procedure to enable Extract Mode on certain vehicles. This service procedure also corrects a potential calibration error that can cause a Service Leveling System message to erroneously appear on the DIC (Driver Information Center) during certain driving maneuvers. Dealers are to replace the position sensors and reprogram sequential programming.

  Associated Products (1)

  2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10214704-0001.pdf↗
• June 29, 2022•Document ID: 10216378

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

  Mfr Comm. #:

  PIT5878B

  Date Added:

  July 25, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the field  engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022 HUMMER EV and the 2023 LYRIC.

  Associated Products (1)

  2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10216378-0001.pdf↗
• June 28, 2022•Document ID: 10215655

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  22-NA-135

  Date Added:

  July 12, 2022

  Manufacturer:

  CADILLAC

  Summary

  This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.

  Associated Products (82)

  2023 Buick Enclave2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 3500+ 62 more
  Associated Documents

  • DownloadMC-10215655-0001.pdf↗
• June 27, 2022•Document ID: 10215643

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  12-01-37-001F

  Date Added:

  July 12, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.

  Associated Products (82)

  2023 Buick Enclave2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 3500+ 62 more
  Associated Documents

  • DownloadMC-10215643-0001.pdf↗
• June 24, 2022•Document ID: 10215628

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  22-NA-070

  Date Added:

  July 12, 2022

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.

  Associated Products (82)

  2023 Buick Enclave2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 3500+ 62 more
  Associated Documents

  • DownloadMC-10215628-0001.pdf↗
• June 22, 2022•Document ID: 10216373

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIT5854A

  Date Added:

  July 25, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.

  Associated Products (8)

  2022 Cadillac Escalade2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-10216373-0001.pdf↗
• June 21, 2022•Document ID: 10215631

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  22-NA-125

  Date Added:

  July 12, 2022

  Manufacturer:

  GMC

  Summary

  This informational bulletin advises the tech of a slight modification that may be need to a cargo loop bezel if found when installing to be tight in the panel.

  Associated Products (1)

  2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10215631-0001.pdf↗
• June 21, 2022•Document ID: 10215626

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21-NA-026

  Date Added:

  July 12, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.

  Associated Products (82)

  2023 Buick Enclave2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 3500+ 62 more
  Associated Documents

  • DownloadMC-10215626-0001.pdf↗
• June 20, 2022•Document ID: 10215632

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE

  Mfr Comm. #:

  22-NA-126

  Date Added:

  July 12, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information to correct a customer concern of Automatic Emergency Braking (AEB) Forward Collision Icon Lamp On with No DTCs Present.

  Associated Products (19)

  2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2022 GMC Yukon XL2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10215632-0001.pdf↗