GMC Hummer EV Pickup Service Bulletins (2023)

642 manufacturer communications on file.

• March 8, 2023•Document ID: 10233338

  Service Bulletin/Repair Instructions
  TIRES; WHEELS

  Mfr Comm. #:

  20-NA-159

  Date Added:

  March 30, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

  Associated Products (483)

  2023 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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 463 more
  Associated Documents

  • DownloadMC-10233338-0001.pdf↗
• March 7, 2023•Document ID: 10233351

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-036

  Date Added:

  March 30, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides diagnostic information for dealers/technicians on an Amber Light on Dual Level Portable Charge Cord Set.

  Associated Products (7)

  2023 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-10233351-0001.pdf↗
• March 6, 2023•Document ID: 10234205

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIT5985A

  Date Added:

  April 17, 2023

  Manufacturer:

  BUICK

  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 (34)

  2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Chevrolet Corvette2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Yukon XL2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade ESV2022 Chevrolet Corvette2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe+ 14 more
  Associated Documents

  • DownloadMC-10234205-0001.pdf↗
• February 28, 2023•Document ID: 10232845

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIT5985

  Date Added:

  March 13, 2023

  Manufacturer:

  BUICK

  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 (34)

  2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Chevrolet Corvette2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Yukon XL2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade ESV2022 Chevrolet Corvette2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe+ 14 more
  Associated Documents

  • DownloadMC-10232845-0001.pdf↗
• February 27, 2023•Document ID: 10232469

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  15-NA-017

  Date Added:

  March 4, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.

  Associated Products (631)

  2023 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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 611 more
  Associated Documents

  • DownloadMC-10232469-0001.pdf↗
• February 24, 2023•Document ID: 10232835

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE

  Mfr Comm. #:

  PIT5551J

  Date Added:

  March 13, 2023

  Manufacturer:

  GMC

  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 (152)

  2023 Buick Enclave2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EV2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Terrain2023 GMC Yukon XL2022 Buick Enclave2022 Cadillac Escalade ESV+ 132 more
  Associated Documents

  • DownloadMC-10232835-0001.pdf↗
• February 21, 2023•Document ID: 10232287

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

  Mfr Comm. #:

  17-NA-073

  Date Added:

  March 3, 2023

  Manufacturer:

  BUICK

  Summary

  This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

  Associated Products (1281)

  2023 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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 1261 more
  Associated Documents

  • DownloadMC-10232287-0001.pdf↗
• February 20, 2023•Document ID: 10232288

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

  Mfr Comm. #:

  18-NA-146

  Date Added:

  March 3, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).

  Associated Products (594)

  2023 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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 574 more
  Associated Documents

  • DownloadMC-10232288-0001.pdf↗
• February 17, 2023•Document ID: 10232283

  Service Bulletin/Repair Instructions
  VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS; UNKNOWN OR OTHER; STRUCTURE

  Mfr Comm. #:

  PI0754F

  Date Added:

  March 3, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.

  Associated Products (609)

  2023 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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 589 more
  Associated Documents

  • DownloadMC-10232283-0001.pdf↗
• February 17, 2023•Document ID: 10232143

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

  Mfr Comm. #:

  18-NA-263

  Date Added:

  February 28, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S. Only).

  Associated Products (594)

  2023 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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 574 more
  Associated Documents

  • DownloadMC-10232143-0001.pdf↗
• February 16, 2023•Document ID: 10232275

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  99-04-20-002N

  Date Added:

  March 3, 2023

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.

  Associated Products (609)

  2023 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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 589 more
  Associated Documents

  • DownloadMC-10232275-0001.pdf↗
• February 15, 2023•Document ID: 10232136

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  01-08-42-001O

  Date Added:

  February 28, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.

  Associated Products (1108)

  2023 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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 1088 more
  Associated Documents

  • DownloadMC-10232136-0001.pdf↗
• February 10, 2023•Document ID: 10232084

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  PIE0736

  Date Added:

  February 23, 2023

  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 to the power tonneau cover being inoperable.

  Associated Products (2)

  2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10232084-0001.pdf↗
• February 10, 2023•Document ID: 10232069

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; LATCHES/LOCKS/LINKAGES; EQUIPMENT

  Mfr Comm. #:

  18-NA-279

  Date Added:

  February 23, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

  Associated Products (111)

  2023 Buick Enclave2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Yukon2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX+ 91 more
  Associated Documents

  • DownloadMC-10232069-0001.pdf↗
• February 7, 2023•Document ID: 10232076

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-235

  Date Added:

  February 23, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using Samsung Phones at Offset Positions.

  Associated Products (59)

  2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe+ 39 more
  Associated Documents

  • DownloadMC-10232076-0001.pdf↗
• February 1, 2023•Document ID: 10231895

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-215

  Date Added:

  February 21, 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 (7)

  2023 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-10231895-0001.pdf↗
• February 1, 2023•Document ID: 10231893

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

  Mfr Comm. #:

  22-NA-115

  Date Added:

  February 21, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.

  Associated Products (161)

  2023 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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 141 more
  Associated Documents

  • DownloadMC-10231893-0001.pdf↗
• January 31, 2023•Document ID: 10231519

  Service Bulletin/Repair Instructions
  TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; WHEELS; EQUIPMENT

  Mfr Comm. #:

  07-03-16-004E

  Date Added:

  February 8, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for tire pressure monitoring (TPM) system concerns.

  Associated Products (555)

  2023 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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 535 more
  Associated Documents

  • DownloadMC-10231519-0001.pdf↗
• January 31, 2023•Document ID: 10231518

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; TIRES; WHEELS

  Mfr Comm. #:

  00-00-90-002M

  Date Added:

  February 8, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.

  Associated Products (555)

  2023 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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 535 more
  Associated Documents

  • DownloadMC-10231518-0001.pdf↗
• January 24, 2023•Document ID: 10231661

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIT5971

  Date Added:

  February 13, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.

  Associated Products (61)

  2023 Buick Enclave2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2023 GMC Sierra+ 41 more
  Associated Documents

  • DownloadMC-10231661-0001.pdf↗