GMC Hummer EV Pickup Service Bulletins (2025)

391 manufacturer communications on file.

• December 13, 2024•Document ID: 11012694

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

  Mfr Comm. #:

  24-NA-015

  Date Added:

  January 9, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides Hybrid/EV Charging Issue Information and Data Collection Worksheet.

  Associated Products (25)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 GMC Hummer EV Pickup2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 GMC Hummer EV Pickup+ 5 more
  Associated Documents

  • DownloadMC-11012694-0001.pdf↗
• December 13, 2024•Document ID: 11011872

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5832S

  Date Added:

  December 16, 2024

  Manufacturer:

  CADILLAC

  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 (83)

  2025 Buick Envision2025 Cadillac CT42025 Cadillac CT52025 Cadillac Lyriq2025 Cadillac XT42025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Hummer EV Pickup2025 GMC Sierra2025 GMC Terrain2025 GMC Yukon2025 GMC Yukon XL2024 BrightDrop Zevo+ 63 more
  Associated Documents

  • DownloadMC-11011872-0001.pdf↗
• December 12, 2024•Document ID: 11012678

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

  Mfr Comm. #:

  18-NA-180

  Date Added:

  January 8, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (73)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo2023 Cadillac Lyriq2023 Chevrolet Bolt EUV+ 53 more
  Associated Documents

  • DownloadMC-11012678-0001.pdf↗
• December 12, 2024•Document ID: 11011801

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N242451390-01

  Date Added:

  December 12, 2024

  Manufacturer:

  GMC

  Summary

  Service Update. On certain vehicles, the 12V battery negative cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to remove the First Responder Emergency Cut Loop label from the 12V battery negative cable.

  Associated Products (9)

  2025 Cadillac Escalade IQ2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11011801-0001.pdf↗
• December 11, 2024•Document ID: 11012695

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; STRUCTURE:BODY; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  24-NA-083

  Date Added:

  January 9, 2025

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on EV Charge Inlet Dust Cover Replacement Information.

  Associated Products (18)

  2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo2023 Cadillac Lyriq2023 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11012695-0001.pdf↗
• December 11, 2024•Document ID: 11012693

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

  Mfr Comm. #:

  23-NA-151

  Date Added:

  January 9, 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 (20)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11012693-0001.pdf↗
• December 10, 2024•Document ID: 11012845

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

  Mfr Comm. #:

  PIE0753F

  Date Added:

  January 14, 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 (28)

  2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 GMC Hummer EV Pickup+ 8 more
  Associated Documents

  • DownloadMC-11012845-0001.pdf↗
• December 10, 2024•Document ID: 11011855

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6299

  Date Added:

  December 16, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the field on how to resolve a current issue on 2025 models that have a issue with learning new key fob transmitters to the vehicle.

  Associated Products (3)

  2025 Cadillac Lyriq2025 Chevrolet BrightDrop2025 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11011855-0001.pdf↗
• December 9, 2024•Document ID: 11011854

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; SERVICE BRAKES

  Mfr Comm. #:

  PIT6296

  Date Added:

  December 16, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that a software update will be released to correct a false setting U164E from setting in the electronic brake control module.

  Associated Products (1)

  2025 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11011854-0001.pdf↗
• December 7, 2024•Document ID: 11012205

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  24-NA-143

  Date Added:

  January 3, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.

  Associated Products (17)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11012205-0001.pdf↗
• December 7, 2024•Document ID: 11012190

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-113

  Date Added:

  January 3, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.

  Associated Products (26)

  2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup+ 6 more
  Associated Documents

  • DownloadMC-11012190-0001.pdf↗
• December 6, 2024•Document ID: 11012189

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-064

  Date Added:

  January 3, 2025

  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 (236)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 216 more
  Associated Documents

  • DownloadMC-11012189-0001.pdf↗
• December 6, 2024•Document ID: 11011805

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5962B

  Date Added:

  December 12, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

  Associated Products (691)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 671 more
  Associated Documents

  • DownloadMC-11011805-0001.pdf↗
• December 6, 2024•Document ID: 11011694

  Service Bulletin/Repair Instructions
  LANE DEPARTURE: ASSIST; LANE DEPARTURE: WARNING; UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6587

  Date Added:

  December 9, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct.

  Associated Products (103)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado+ 83 more
  Associated Documents

  • DownloadMC-11011694-0001.pdf↗
• December 6, 2024•Document ID: 11011693

  Service Bulletin/Repair Instructions
  LANE DEPARTURE: ASSIST; UNKNOWN OR OTHER; LANE DEPARTURE: WARNING

  Mfr Comm. #:

  PIC6552D

  Date Added:

  December 9, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates how to recover the Image Processing Module.

  Associated Products (103)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado+ 83 more
  Associated Documents

  • DownloadMC-11011693-0001.pdf↗
• December 5, 2024•Document ID: 11011776

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  PIT6202C

  Date Added:

  December 12, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates how to properly relearn the e-Trunk if it has lost it's learn.

  Associated Products (8)

  2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11011776-0001.pdf↗
• December 4, 2024•Document ID: 11012187

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

  Mfr Comm. #:

  22-NA-083

  Date Added:

  January 3, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.

  Associated Products (18)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 GMC Hummer EV Pickup2022 Chevrolet Bolt EUV2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11012187-0001.pdf↗
• December 3, 2024•Document ID: 11011682

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6209D

  Date Added:

  December 9, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates recovery procedure after return to dealer message.

  Associated Products (26)

  2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Silverado+ 6 more
  Associated Documents

  • DownloadMC-11011682-0001.pdf↗
• November 27, 2024•Document ID: 11012003

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER; UNKNOWN OR OTHER

  Mfr Comm. #:

  24-NA-259

  Date Added:

  December 20, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.

  Associated Products (68)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado+ 48 more
  Associated Documents

  • DownloadMC-11012003-0001.pdf↗
• November 25, 2024•Document ID: 11011996

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  22-NA-238

  Date Added:

  December 19, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.

  Associated Products (232)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado+ 212 more
  Associated Documents

  • DownloadMC-11011996-0001.pdf↗