GMC Hummer EV SUV Service Bulletins

342 manufacturer communications on file.

• April 24, 2023•Document ID: 10236163

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

  Mfr Comm. #:

  PIT5925B

  Date Added:

  May 15, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the field that water hitting the cooling fans can set a false DTC: P0494 for the 2022-2024 HUMMER EV.

  Associated Products (3)

  2024 GMC Hummer EV SUV2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10236163-0001.pdf↗
• April 21, 2023•Document ID: 10236162

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

  Mfr Comm. #:

  PIT5859A

  Date Added:

  May 15, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that Parts that the ECS are on Restriction

  Associated Products (3)

  2024 GMC Hummer EV SUV2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10236162-0001.pdf↗
• April 21, 2023•Document ID: 10236161

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  PIT6004

  Date Added:

  May 15, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates a software anomaly that will display a message for a option that the vehicle is not equipped with and a software update will be released soon to address that issue.

  Associated Products (1)

  2024 GMC Hummer EV SUV
  Associated Documents

  • DownloadMC-10236161-0001.pdf↗
• April 19, 2023•Document ID: 10236159

  Service Bulletin/Repair Instructions
  VISIBILITY

  Mfr Comm. #:

  PIT6003

  Date Added:

  May 15, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates how to properly remove the outside mirror to add the GM Accessory Outside Rearview Mirror Projection Lights without breaking the mirror glass.

  Associated Products (3)

  2024 GMC Hummer EV SUV2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10236159-0001.pdf↗
• April 19, 2023•Document ID: 10235713

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

  Mfr Comm. #:

  04-00-89-015Z

  Date Added:

  May 5, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (116)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD+ 96 more
  Associated Documents

  • DownloadMC-10235713-0001.pdf↗
• April 14, 2023•Document ID: 10236151

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  PIT5911B

  Date Added:

  May 15, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the field that engineering contacts to assist in the diagnosis of Suspension concerns on the new 2022-2024 HUMMER EV.

  Associated Products (3)

  2024 GMC Hummer EV SUV2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10236151-0001.pdf↗
• April 14, 2023•Document ID: 10236150

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

  Mfr Comm. #:

  PIT5872C

  Date Added:

  May 15, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the field a norml charteristic of the vehicle and advises the field not to replace any parts for this concern.

  Associated Products (3)

  2024 GMC Hummer EV SUV2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10236150-0001.pdf↗
• April 14, 2023•Document ID: 10236149

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

  Mfr Comm. #:

  PIT5878D

  Date Added:

  May 15, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the field  engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022-2024 HUMMER EV and the 2023 LYRIQ.

  Associated Products (4)

  2024 GMC Hummer EV SUV2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10236149-0001.pdf↗
• April 14, 2023•Document ID: 10236148

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIT5905A

  Date Added:

  May 15, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates ordering process for front drive unit (S8L) and rear drive unit (P79) restriction for the 2022 MY GMC HUMMER EV and HUMMER EV SUV.

  Associated Products (3)

  2024 GMC Hummer EV SUV2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10236148-0001.pdf↗
• April 11, 2023•Document ID: 10236145

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5857E

  Date Added:

  May 15, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that the High Voltage Voltage Battery pack is on TAC Exchange. For Engineering Review.

  Associated Products (3)

  2024 GMC Hummer EV SUV2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10236145-0001.pdf↗
• April 11, 2023•Document ID: 10236144

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIT5858B

  Date Added:

  May 15, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that GMC HUMMER EV SUV Specific parts are being placed on a TAC Restriction

  Associated Products (1)

  2024 GMC Hummer EV SUV
  Associated Documents

  • DownloadMC-10236144-0001.pdf↗
• April 6, 2023•Document ID: 10234621

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  11-00-89-005V

  Date Added:

  April 22, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

  Associated Products (115)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD+ 95 more
  Associated Documents

  • DownloadMC-10234621-0001.pdf↗
• April 6, 2023•Document ID: 10234620

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  10-08-110-001J

  Date Added:

  April 22, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on proper use of floor mats.

  Associated Products (115)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD+ 95 more
  Associated Documents

  • DownloadMC-10234620-0001.pdf↗
• April 4, 2023•Document ID: 10235398

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

  Mfr Comm. #:

  20-NA-132

  Date Added:

  May 3, 2023

  Manufacturer:

  CADILLAC

  Summary

  This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

  Associated Products (115)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD+ 95 more
  Associated Documents

  • DownloadMC-10235398-0001.pdf↗
• April 3, 2023•Document ID: 10235405

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-064

  Date Added:

  May 3, 2023

  Manufacturer:

  CADILLAC

  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 (115)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD+ 95 more
  Associated Documents

  • DownloadMC-10235405-0001.pdf↗
• March 28, 2023•Document ID: 10234164

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

  Mfr Comm. #:

  05-06-04-022U

  Date Added:

  April 14, 2023

  Manufacturer:

  BUICK

  Summary

  This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.

  Associated Products (27)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse+ 7 more
  Associated Documents

  • DownloadMC-10234164-0001.pdf↗
• March 27, 2023•Document ID: 10234173

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  23-NA-016

  Date Added:

  April 14, 2023

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on available Low Gloss Matte Paint Finishes.

  Associated Products (1)

  2024 GMC Hummer EV SUV
  Associated Documents

  • DownloadMC-10234173-0001.pdf↗
• March 21, 2023•Document ID: 10234149

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  22-NA-114

  Date Added:

  April 13, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.

  Associated Products (10)

  2024 GMC Hummer EV SUV2024 GMC Terrain2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 GMC Hummer EV Pickup2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 GMC Hummer EV Pickup2021 Chevrolet Bolt EV
  Associated Documents

  • DownloadMC-10234149-0001.pdf↗
• March 20, 2023•Document ID: 10234147

  Service Bulletin/Repair Instructions
  EQUIPMENT; STRUCTURE

  Mfr Comm. #:

  22-NA-018

  Date Added:

  April 13, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).

  Associated Products (134)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse+ 114 more
  Associated Documents

  • DownloadMC-10234147-0001.pdf↗
• March 17, 2023•Document ID: 10233969

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  18-NA-073

  Date Added:

  April 7, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

  Associated Products (126)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse+ 106 more
  Associated Documents

  • DownloadMC-10233969-0001.pdf↗