GMC Hummer EV SUV Service Bulletins

328 manufacturer communications on file.

• May 16, 2025•Document ID: 11023484

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  23-NA-151

  Date Added:

  October 2, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.

  Associated Products (12)

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  Associated Documents

  • DownloadMC-11023484-0001.pdf↗
• May 15, 2025•Document ID: 11023388

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0753I

  Date Added:

  September 30, 2025

  Manufacturer:

  CADILLAC

  Summary

  This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.

  Associated Products (19)

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  Associated Documents

  • DownloadMC-11023388-0001.pdf↗
• May 14, 2025•Document ID: 11024498

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  25-NA-044

  Date Added:

  October 27, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.

  Associated Products (14)

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  Associated Documents

  • DownloadMC-11024498-0001.pdf↗
• May 14, 2025•Document ID: 11024496

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  24-NA-202

  Date Added:

  October 27, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides dealers with Warranty Administration information on North American Charging Standard (NACS) DC Adapter Warranty Claim Information.

  Associated Products (18)

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  Associated Documents

  • DownloadMC-11024496-0001.pdf↗
• May 14, 2025•Document ID: 11024488

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  24-NA-133

  Date Added:

  October 25, 2025

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on Wheel Drive Shaft Retention Snap Ring Design Change.

  Associated Products (4)

  2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV
  Associated Documents

  • DownloadMC-11024488-0001.pdf↗
• May 14, 2025•Document ID: 11024487

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  23-NA-202

  Date Added:

  October 25, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information on High Voltage Drive Motor Battery - TAC Approval and Exchange Program for BrightDrop, Chevrolet Silverado EV, and GMC Sierra EV, HUMMER EV/SUV.

  Associated Products (7)

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  Associated Documents

  • DownloadMC-11024487-0001.pdf↗
• May 14, 2025•Document ID: 11023365

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM

  Mfr Comm. #:

  18-NA-180

  Date Added:

  September 26, 2025

  Manufacturer:

  GMC

  Summary

  This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.

  Associated Products (21)

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  Associated Documents

  • DownloadMC-11023365-0001.pdf↗
• May 9, 2025•Document ID: 11023266

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0836

  Date Added:

  September 23, 2025

  Manufacturer:

  GMC

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC) and/or a no-start condition following a recent vehicle update.

  Associated Products (9)

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  Associated Documents

  • DownloadMC-11023266-0001.pdf↗
• May 8, 2025•Document ID: 11023051

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

  Mfr Comm. #:

  25-NA-118

  Date Added:

  September 10, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.

  Associated Products (196)

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  Associated Documents

  • DownloadMC-11023051-0001.pdf↗
• May 3, 2025•Document ID: 11023058

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0834

  Date Added:

  September 10, 2025

  Manufacturer:

  GMC

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the hood will not latch, open and/or gets stuck, hood ajar message displayed on driver information center (DIC), DTCs P257D, P257E, P257F, B1C80, B1C81, B1C85, B1C89, B1C8C, B1C8D, B1CB5 , B1CBF set.

  Associated Products (6)

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  Associated Documents

  • DownloadMC-11023058-0001.pdf↗
• April 24, 2025•Document ID: 11019545

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-242

  Date Added:

  June 16, 2025

  Manufacturer:

  CADILLAC

  Summary

  This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.

  Associated Products (130)

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  Associated Documents

  • DownloadMC-11019545-0001.pdf↗
• April 8, 2025•Document ID: 11017839

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  07-00-89-037W

  Date Added:

  May 5, 2025

  Manufacturer:

  GMC

  Summary

  This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

  Associated Products (205)

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  Associated Documents

  • DownloadMC-11017839-0001.pdf↗
• April 3, 2025•Document ID: 11017595

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-NA-087

  Date Added:

  May 2, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.

  Associated Products (193)

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  Associated Documents

  • DownloadMC-11017595-0001.pdf↗
• March 31, 2025•Document ID: 11017244

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  13-08-116-001K

  Date Added:

  April 25, 2025

  Manufacturer:

  CHEVROLET

  Summary

  The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

  Associated Products (205)

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  Associated Documents

  • DownloadMC-11017244-0001.pdf↗
• March 28, 2025•Document ID: 11017247

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-242

  Date Added:

  April 26, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.

  Associated Products (129)

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  Associated Documents

  • DownloadMC-11017247-0001.pdf↗
• March 21, 2025•Document ID: 11017173

  Service Bulletin/Repair Instructions
  SERVICE BRAKES; FUEL/PROPULSION SYSTEM; STEERING

  Mfr Comm. #:

  25-NA-065

  Date Added:

  April 24, 2025

  Manufacturer:

  BUICK

  Summary

  This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.

  Associated Products (205)

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  Associated Documents

  • DownloadMC-11017173-0001.pdf↗
• May 1, 2024•Document ID: 11000163

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  21-NA-043

  Date Added:

  May 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.

  Associated Products (144)

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  Associated Documents

  • DownloadMC-11000163-0001.pdf↗
• May 1, 2024•Document ID: 11000158

  Service Bulletin/Repair Instructions
  SEATS; UNKNOWN OR OTHER

  Mfr Comm. #:

  06-00-89-029V

  Date Added:

  May 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.

  Associated Products (144)

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  Associated Documents

  • DownloadMC-11000158-0001.pdf↗
• April 30, 2024•Document ID: 11000164

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-064

  Date Added:

  May 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.

  Associated Products (136)

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  Associated Documents

  • DownloadMC-11000164-0001.pdf↗
• April 30, 2024•Document ID: 11000162

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  13-08-116-001J

  Date Added:

  May 16, 2024

  Manufacturer:

  GMC

  Summary

  The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

  Associated Products (144)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT6+ 124 more
  Associated Documents

  • DownloadMC-11000162-0001.pdf↗