GMC Hummer EV Pickup Service Bulletins (2023)

642 manufacturer communications on file.

• September 1, 2023•Document ID: 10242842

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

  Mfr Comm. #:

  18-NA-306

  Date Added:

  September 26, 2023

  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 (544)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado+ 524 more
  Associated Documents

  • DownloadMC-10242842-0001.pdf↗
• August 30, 2023•Document ID: 10242322

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

  Mfr Comm. #:

  PIT5832J

  Date Added:

  September 18, 2023

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

  Associated Products (49)

  2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Yukon XL2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Chevrolet Colorado2023 Chevrolet Corvette+ 29 more
  Associated Documents

  • DownloadMC-10242322-0001.pdf↗
• August 30, 2023•Document ID: 10242320

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIT5985B

  Date Added:

  September 18, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.

  Associated Products (49)

  2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Yukon XL2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Chevrolet Colorado2023 Chevrolet Corvette+ 29 more
  Associated Documents

  • DownloadMC-10242320-0001.pdf↗
• August 30, 2023•Document ID: 10242316

  Service Bulletin/Repair Instructions
  STRUCTURE; EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIT5857F

  Date Added:

  September 18, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (4)

  2024 GMC Hummer EV SUV2023 BrightDrop Zevo2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10242316-0001.pdf↗
• August 29, 2023•Document ID: 10242314

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE

  Mfr Comm. #:

  PIT5551L

  Date Added:

  September 18, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

  Associated Products (173)

  2024 Buick Enclave2024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Traverse2024 GMC Acadia2024 GMC Canyon2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Terrain2024 GMC Yukon XL2023 Buick Enclave+ 153 more
  Associated Documents

  • DownloadMC-10242314-0001.pdf↗
• August 18, 2023•Document ID: 10242207

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18-NA-306

  Date Added:

  September 13, 2023

  Manufacturer:

  GMC

  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 (535)

  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 Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban+ 515 more
  Associated Documents

  • DownloadMC-10242207-0001.pdf↗
• August 15, 2023•Document ID: 10242206

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  09-00-89-016H

  Date Added:

  September 13, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.

  Associated Products (626)

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  Associated Documents

  • DownloadMC-10242206-0001.pdf↗
• August 15, 2023•Document ID: 10241208

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  N23-240448

  Date Added:

  August 24, 2023

  Manufacturer:

  GMC

  Summary

  (There may be future updates under this same release number.) Your GMC Hummer EV keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: •A variety of other minor software updates to make your driving and in-vehicle experience better. Better Never Stops™

  Associated Products (1)

  2023 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10241208-0001.pdf↗
• August 9, 2023•Document ID: 10242294

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  PIT6044A

  Date Added:

  September 18, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.

  Associated Products (8)

  2024 Cadillac Lyriq2024 Chevrolet Blazer2024 GMC Hummer EV SUV2023 BrightDrop Zevo2023 Cadillac Lyriq2023 Chevrolet Silverado2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10242294-0001.pdf↗
• August 9, 2023•Document ID: 10240714

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  N23-240448

  Date Added:

  August 14, 2023

  Manufacturer:

  GMC

  Summary

  '(There may be future updates under this same release number.) Your GMC Hummer EV keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: •Updates made to the long range radar functionality to enhance alignment during height changes when parking. •Updates made to the horn functionality during towing for a more intuitive and user-friendly operation. •Updates made to improve connectivity within Apple Carplay, Bluetooth & SiriusXM. •Updates made to the gearshift functionality to provide a smoother experience while shifting gears. •Updates made to the Super Cruise driver assistance technology and the Adaptive Cruise Control functionality for an improved performance and smoother driving experience. •A variety of other minor software updates to make your driving and in-vehicle experience better. Better Never Stops™

  Associated Products (1)

  2023 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10240714-0001.pdf↗
• August 7, 2023•Document ID: 10242061

  Service Bulletin/Repair Instructions
  STEERING; ENGINE AND ENGINE COOLING; SUSPENSION; POWER TRAIN

  Mfr Comm. #:

  15-00-89-004F

  Date Added:

  September 8, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.

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  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 Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 779 more
  Associated Documents

  • DownloadMC-10242061-0001.pdf↗
• August 3, 2023•Document ID: 10242284

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  PIT6044

  Date Added:

  September 18, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.

  Associated Products (4)

  2023 Cadillac Lyriq2023 Chevrolet Blazer2023 Chevrolet Silverado2023 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10242284-0001.pdf↗
• August 1, 2023•Document ID: 10241415

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  01-00-89-010R

  Date Added:

  August 28, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.

  Associated Products (789)

  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 Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 769 more
  Associated Documents

  • DownloadMC-10241415-0001.pdf↗
• July 31, 2023•Document ID: 10240804

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIT5909B

  Date Added:

  August 21, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.

  Associated Products (12)

  2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Hummer EV Pickup2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Hummer EV Pickup2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 GMC Sierra2019 GMC Sierra
  Associated Documents

  • DownloadMC-10240804-0001.pdf↗
• July 31, 2023•Document ID: 10240362

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-114

  Date Added:

  August 3, 2023

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (23)

  2024 Cadillac Lyriq2024 Chevrolet Bolt EV2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 GMC Hummer EV Pickup2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 GMC Hummer EV Pickup2021 Chevrolet Bolt EV2020 Chevrolet Bolt EV2019 Chevrolet Bolt EV2019 Chevrolet Volt2018 Chevrolet Bolt EV2018 Chevrolet Volt2017 Cadillac ELR+ 3 more
  Associated Documents

  • DownloadMC-10240362-0001.pdf↗
• July 18, 2023•Document ID: 10240792

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE

  Mfr Comm. #:

  PIT5551K

  Date Added:

  August 21, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

  Associated Products (154)

  2023 Buick Enclave2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EV2023 Chevrolet Colorado2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Canyon2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Terrain2023 GMC Yukon XL+ 134 more
  Associated Documents

  • DownloadMC-10240792-0001.pdf↗
• July 18, 2023•Document ID: 10239673

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-215

  Date Added:

  July 26, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information for chargers that are covered under the terms of a 3-year Limited Parts Warranty from the date of purchase.

  Associated Products (13)

  2024 Cadillac Lyriq2024 Chevrolet Bolt EV2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 GMC Hummer EV Pickup2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10239673-0001.pdf↗
• July 17, 2023•Document ID: 10239755

  Service Bulletin/Repair Instructions
  SEAT BELTS

  Mfr Comm. #:

  99-09-40-005I

  Date Added:

  July 28, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on availability for a seat belt extender.

  Associated Products (789)

  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 Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 769 more
  Associated Documents

  • DownloadMC-10239755-0001.pdf↗
• July 17, 2023•Document ID: 10239658

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21-NA-026

  Date Added:

  July 25, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

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  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 Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 477 more
  Associated Documents

  • DownloadMC-10239658-0001.pdf↗
• July 12, 2023•Document ID: 10239645

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-125

  Date Added:

  July 25, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs.

  Associated Products (334)

  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 Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 314 more
  Associated Documents

  • DownloadMC-10239645-0001.pdf↗