GMC Yukon Service Bulletins (2026)

221 manufacturer communications on file.

• October 4, 2025•Document ID: 11024439

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6440

  Date Added:

  October 24, 2025

  Manufacturer:

  CADILLAC

  Summary

  The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.

  Associated Products (278)

  2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet BrightDrop+ 258 more
  Associated Documents

  • DownloadMC-11024439-0001.pdf↗
• October 1, 2025•Document ID: 11023904

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6437

  Date Added:

  October 6, 2025

  Manufacturer:

  GMC

  Summary

  This information provides software update information for the K73 Telematics module to correct the symptoms described.

  Associated Products (14)

  2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Yukon2025 GMC Yukon XL
  Associated Documents

  • DownloadMC-11023904-0001.pdf↗
• September 27, 2025•Document ID: 11023900

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6607B

  Date Added:

  October 6, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates not to replace the Image processing Module if the following DTC's are history - U3000 SYM49, U1624, U0140, U023B SYM00, U053C, B1DD SYM57.

  Associated Products (18)

  2026 Buick Enclave2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL
  Associated Documents

  • DownloadMC-11023900-0001.pdf↗
• September 15, 2025•Document ID: 11023344

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6426

  Date Added:

  September 25, 2025

  Manufacturer:

  GMC

  Summary

  If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.

  Associated Products (38)

  2026 Buick Enclave2026 Cadillac Escalade IQL2026 Cadillac Vistiq2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Buick Enclave2025 Cadillac Celestiq2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade IQ2025 Cadillac Lyriq+ 18 more
  Associated Documents

  • DownloadMC-11023344-0001.pdf↗
• September 9, 2025•Document ID: 11023157

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5479H

  Date Added:

  September 17, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston.

  Associated Products (132)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Chevrolet Colorado2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Canyon2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Chevrolet Colorado2025 Chevrolet Silverado2025 Chevrolet Suburban+ 112 more
  Associated Documents

  • DownloadMC-11023157-0001.pdf↗
• September 9, 2025•Document ID: 11023091

  Other
  UNKNOWN OR OTHER

  Mfr Comm. #:

  13598

  Date Added:

  September 10, 2025

  Manufacturer:

  GMC

  Summary

  New Vehicle Monitoring Programs Section in IVH

  Associated Products (843)

  2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Colorado+ 823 more
  Associated Documents

  • DownloadMC-11023091-0001.pdf↗
• September 8, 2025•Document ID: 11023146

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6607A

  Date Added:

  September 16, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates not to replace the Image processing Module if the following DTC's are history - U3000 SYM49, U1624, U0140, U023B SYM00, U053C, B1DD SYM57.

  Associated Products (16)

  2026 Buick Enclave2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL
  Associated Documents

  • DownloadMC-11023146-0001.pdf↗
• September 8, 2025•Document ID: 11023143

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6431

  Date Added:

  September 16, 2025

  Manufacturer:

  CADILLAC

  Summary

  This preliminarily information communication an issue with the supercruise dropping out when next to a merging lane and engineering is investigating.

  Associated Products (15)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL
  Associated Documents

  • DownloadMC-11023143-0001.pdf↗
• September 3, 2025•Document ID: 11024387

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  25-NA-264

  Date Added:

  October 21, 2025

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides information on Automated Brake Bleed and/or Brake Hydraulic Test procedure fails when attempting to perform either procedure.

  Associated Products (8)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL
  Associated Documents

  • DownloadMC-11024387-0001.pdf↗
• August 29, 2025•Document ID: 11022780

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6427

  Date Added:

  September 5, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates possible causes for battery draw concern

  Associated Products (10)

  2026 Cadillac Escalade ESV2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade ESV2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Yukon2025 GMC Yukon XL
  Associated Documents

  • DownloadMC-11022780-0001.pdf↗
• August 26, 2025•Document ID: 11022769

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5854D

  Date Added:

  September 5, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.

  Associated Products (49)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL+ 29 more
  Associated Documents

  • DownloadMC-11022769-0001.pdf↗
• August 22, 2025•Document ID: 11022138

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6236B

  Date Added:

  August 26, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates the active safety features and/or cameras are inoperative or unavailable after a 12 volt battery replacement or battery charge after a low voltage condition.

  Associated Products (38)

  2026 Buick Enclave2026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Buick Enclave2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV+ 18 more
  Associated Documents

  • DownloadMC-11022138-0001.pdf↗
• August 19, 2025•Document ID: 11022130

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6423

  Date Added:

  August 26, 2025

  Manufacturer:

  CADILLAC

  Summary

  Diagnostic Guidance for U3000-97 Long Range Radar Blocked

  Associated Products (44)

  2026 Buick Enclave2026 Cadillac CT52026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Terrain2026 GMC Yukon2025 Buick Enclave2025 Cadillac Celestiq2025 Cadillac Escalade2025 Cadillac Escalade ESV+ 24 more
  Associated Documents

  • DownloadMC-11022130-0001.pdf↗
• August 15, 2025•Document ID: 11022086

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6368B

  Date Added:

  August 22, 2025

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.

  Associated Products (40)

  2026 Buick Enclave2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Terrain2026 GMC Yukon2026 GMC Yukon XL2025 Buick Enclave2025 Cadillac Escalade+ 20 more
  Associated Documents

  • DownloadMC-11022086-0001.pdf↗
• August 14, 2025•Document ID: 11022084

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902T

  Date Added:

  August 22, 2025

  Manufacturer:

  GMC

  Summary

  This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

  Associated Products (681)

  2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Colorado+ 661 more
  Associated Documents

  • DownloadMC-11022084-0001.pdf↗
• August 8, 2025•Document ID: 11022078

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6422

  Date Added:

  August 22, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue when performing a night vision camera learn the image can not be turned on. This provides a work around while the issue is being worked.

  Associated Products (23)

  2026 Cadillac Celestiq2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Vistiq2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Celestiq2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2022 Cadillac Escalade+ 3 more
  Associated Documents

  • DownloadMC-11022078-0001.pdf↗
• August 8, 2025•Document ID: 11022068

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6059C

  Date Added:

  August 22, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.

  Associated Products (190)

  2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Colorado+ 170 more
  Associated Documents

  • DownloadMC-11022068-0001.pdf↗
• August 7, 2025•Document ID: 11021792

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC5650M

  Date Added:

  August 12, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.

  Associated Products (896)

  2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Colorado+ 876 more
  Associated Documents

  • DownloadMC-11021792-0001.pdf↗
• July 30, 2025•Document ID: 11021314

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6415

  Date Added:

  August 4, 2025

  Manufacturer:

  GMC

  Summary

  PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked, due to the personalization settings for Auto Door Unlocking.

  Associated Products (36)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV+ 16 more
  Associated Documents

  • DownloadMC-11021314-0001.pdf↗
• July 29, 2025•Document ID: 11021312

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6212D

  Date Added:

  August 4, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.

  Associated Products (30)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Colorado2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Canyon2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Colorado2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Canyon2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL+ 10 more
  Associated Documents

  • DownloadMC-11021312-0001.pdf↗