GMC Yukon XL Service Bulletins

5,101 manufacturer communications on file.

• Date not available•Document ID: 10014931

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  3379

  Date Added:

  May 12, 2005

  Manufacturer:

  GMC

  Summary

  8.625 AXLE PHASING, GROWL, CYCLIC, NOISE WHILE DRIVING. *TT

  Associated Products (10)

  2005 Cadillac Escalade2005 Chevrolet Avalanche2005 Chevrolet Express2005 Chevrolet Silverado2005 Chevrolet Suburban2005 Chevrolet Tahoe2005 GMC Savana2005 GMC Sierra2005 GMC Yukon2005 GMC Yukon XL
  Associated Documents

  • DownloadMC-10014931-0001.pdf↗
• Date not available•Document ID: 10013548

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  3309

  Date Added:

  April 21, 2005

  Manufacturer:

  CHEVROLET

  Summary

  INVESTIGATION OF EXTENSION SEAL LEAKS ON 4L60E AUTOMATIC TRANSMISSION. *TT

  Associated Products (28)

  2006 Chevrolet Avalanche2006 Chevrolet Colorado2006 Chevrolet Express2006 Chevrolet Silverado2006 Chevrolet SSR2006 Chevrolet Suburban2006 Chevrolet Tahoe2006 Chevrolet Trailblazer2006 GMC Canyon2006 GMC Envoy2006 GMC Savana2006 GMC Sierra2006 GMC Yukon2006 Pontiac GTO2005 Chevrolet Avalanche2005 Chevrolet Colorado2005 Chevrolet Express2005 Chevrolet Silverado2005 Chevrolet SSR2005 Chevrolet Suburban+ 8 more
  Associated Documents

  • DownloadMC-10013548-0001.pdf↗
• Date not available•Document ID: 10011592

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  3249

  Date Added:

  January 27, 2005

  Manufacturer:

  CADILLAC

  Summary

  INTERMITTENT SIR LAMP WITH DIAGNOSTIC TROUBLE CODE B0044 OR B0026. *EH

  Associated Products (8)

  2004 Cadillac Escalade2004 Chevrolet Avalanche2004 GMC Yukon2004 GMC Yukon XL2003 Cadillac Escalade2003 Chevrolet Avalanche2003 GMC Yukon2003 GMC Yukon XL
  Associated Documents

  • DownloadMC-10011592-0001.pdf↗
• Date not available•Document ID: 10010024

  Service Bulletin/Repair Instructions
  POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); TIRES

  Mfr Comm. #:

  3132A

  Date Added:

  November 3, 2004

  Manufacturer:

  GMC

  Summary

  NVG149 NP3 TRANSFER CASE MAY EXHIBIT A BIND OR SHUDDER ON TURNS. *TC

  Associated Products (18)

  2005 Chevrolet Silverado2005 GMC Yukon2005 GMC Yukon XL2004 Cadillac Escalade2004 Chevrolet Silverado2004 GMC Yukon2004 GMC Yukon XL2003 Cadillac Escalade2003 GMC Yukon2003 GMC Yukon XL2002 Cadillac Escalade2002 GMC Yukon2002 GMC Yukon XL2001 GMC Sierra2001 GMC Yukon2001 GMC Yukon XL2000 GMC Yukon2000 GMC Yukon XL
  Associated Documents

  • DownloadMC-10010024-0001.pdf↗
• Date not available•Document ID: 10009991

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  3118A

  Date Added:

  November 3, 2004

  Manufacturer:

  GMC

  Summary

  POP/CLUNK NOISE ON RIGHT OR LEFT TURNS. *TC *SC

  Associated Products (30)

  2006 Cadillac Escalade2005 Cadillac Escalade2005 Chevrolet Avalanche2005 Chevrolet Suburban2005 Chevrolet Tahoe2005 GMC Yukon2005 GMC Yukon XL2004 Cadillac Escalade2004 Chevrolet Avalanche2004 Chevrolet Suburban2004 Chevrolet Tahoe2004 GMC Yukon2004 GMC Yukon XL2003 Cadillac Escalade2003 Chevrolet Avalanche2003 Chevrolet Suburban2003 Chevrolet Tahoe2003 GMC Yukon2003 GMC Yukon XL2002 Cadillac Escalade+ 10 more
  Associated Documents

  • DownloadMC-10009991-0001.pdf↗
• Date not available•Document ID: 10009382

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

  Mfr Comm. #:

  3046A

  Date Added:

  September 27, 2004

  Manufacturer:

  GMC

  Summary

  FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT

  Associated Products (76)

  2009 Chevrolet Uplander2009 GMC Yukon2009 GMC Yukon XL2009 Hummer H22009 Hummer H32008 Chevrolet Trailblazer2008 Chevrolet Uplander2008 GMC Envoy2008 GMC Yukon2008 GMC Yukon XL2008 Hummer H22008 Hummer H32007 Buick Rainier2007 Chevrolet Trailblazer2007 Chevrolet Uplander2007 GMC Yukon2007 GMC Yukon XL2007 Hummer H22007 Hummer H32006 Buick Rainier+ 56 more
  Associated Documents

  • DownloadMC-10009382-0001.pdf↗
• October 24, 2026•Document ID: 11038744

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6368F

  Date Added:

  October 29, 2026

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener and to replace the opener with a new updated part.

  Associated Products (57)

  2027 Buick Enclave2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Equinox2027 Chevrolet Silverado2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2026 Buick Enclave2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq+ 37 more
  Associated Documents

  • DownloadMC-11038744-0001.pdf↗
• October 22, 2026•Document ID: 11038833

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Cabin & Driving 2026.3

  Date Added:

  November 1, 2026

  Manufacturer:

  CHEVROLET

  Summary

  • Updates to reduce unnecessary service messages in the driver display • More reliable power liftgate operation after the vehicle has been parked • This update also contains a required software change to help improve the overall software update and diagnostics process.

  Associated Products (6)

  2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Yukon2027 GMC Yukon XL
  Associated Documents

  • DownloadMC-11038833-0001.pdf↗
• October 21, 2026•Document ID: 11038832

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  663.40/663.20

  Date Added:

  November 1, 2026

  Manufacturer:

  CADILLAC

  Summary

  • Improved power window operation • Improvements to help prevent battery drain • Improved vehicle access and starting features

  Associated Products (12)

  2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Yukon2027 GMC Yukon XL2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XL
  Associated Documents

  • DownloadMC-11038832-0001.pdf↗
• October 21, 2026•Document ID: 11038745

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6554A

  Date Added:

  October 29, 2026

  Manufacturer:

  CADILLAC

  Summary

  This preliminary information is to help technicians decide if the DTC needs to be diagnosed if relating to the concern and if it is not, the DTC can be ignored.

  Associated Products (17)

  2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Chevrolet Silverado2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Hummer EV Pickup2027 GMC Hummer EV SUV2027 GMC Yukon2027 GMC Yukon XL2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XL
  Associated Documents

  • DownloadMC-11038745-0001.pdf↗
• October 17, 2026•Document ID: 11038596

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6602Y

  Date Added:

  October 20, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

  Associated Products (29)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 BrightDrop Zevo2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe+ 9 more
  Associated Documents

  • DownloadMC-11038596-0001.pdf↗
• October 16, 2026•Document ID: 11038586

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6663A

  Date Added:

  October 19, 2026

  Manufacturer:

  GMC

  Summary

  This PI communicates the possibility of a B1599 and/or B0126 setting and directs to contact TCSC.

  Associated Products (5)

  2027 Cadillac Lyriq2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Yukon2027 GMC Yukon XL
  Associated Documents

  • DownloadMC-11038586-0001.pdf↗
• October 8, 2026•Document ID: 11038821

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Gateway 2026.3

  Date Added:

  October 31, 2026

  Manufacturer:

  GMC

  Summary

  This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior.

  Associated Products (42)

  2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Optiq2027 Chevrolet Equinox2027 Chevrolet Tahoe2026 Buick Envision2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Optiq2026 Chevrolet BrightDrop2026 Chevrolet Corvette2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq+ 22 more
  Associated Documents

  • DownloadMC-11038821-0001.pdf↗
• October 7, 2026•Document ID: 11038460

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6110L

  Date Added:

  October 14, 2026

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.

  Associated Products (84)

  2027 Buick Encore GX2027 Chevrolet Trailblazer2026 Buick Encore GX2026 Buick Envision2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac XT52026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Express2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Trailblazer2026 GMC Canyon2026 GMC Savana2026 GMC Sierra2026 GMC Yukon+ 64 more
  Associated Documents

  • DownloadMC-11038460-0001.pdf↗
• October 5, 2026•Document ID: 11038139

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6477D

  Date Added:

  October 6, 2026

  Manufacturer:

  CADILLAC

  Summary

  This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software in the scan tool

  Associated Products (69)

  2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Chevrolet Silverado2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Sierra2027 GMC Yukon2027 GMC Yukon XL2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra+ 49 more
  Associated Documents

  • DownloadMC-11038139-0001.pdf↗
• October 3, 2026•Document ID: 11038823

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Telematics 2026.3

  Date Added:

  October 31, 2026

  Manufacturer:

  GMC

  Summary

  • Improved reliability of connected services, including OnStar, Wi-Fi hotspot, and navigation • Enhanced emergency calling performance • Improvements to maintain access to Super Cruise following vehicle software updates • Improved battery management during vehicle software updates

  Associated Products (11)

  2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Optiq2027 Chevrolet Blazer2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Yukon2027 GMC Yukon XL2026 Chevrolet Equinox2025 Chevrolet Equinox
  Associated Documents

  • DownloadMC-11038823-0001.pdf↗
• October 2, 2026•Document ID: 11038164

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6554

  Date Added:

  October 6, 2026

  Manufacturer:

  CADILLAC

  Summary

  This preliminary information is to help technicians decide if the DTC needs to be diagnosed if relating to the concern and if it is not, the DTC can be ignored.

  Associated Products (18)

  2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Chevrolet Silverado2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Hummer EV Pickup2027 GMC Hummer EV SUV2027 GMC Sierra2027 GMC Yukon2027 GMC Yukon XL2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XL
  Associated Documents

  • DownloadMC-11038164-0001.pdf↗
• September 28, 2026•Document ID: 11038136

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6457C

  Date Added:

  October 5, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.

  Associated Products (173)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL+ 153 more
  Associated Documents

  • DownloadMC-11038136-0001.pdf↗
• September 28, 2026•Document ID: 11038133

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6551A

  Date Added:

  October 5, 2026

  Manufacturer:

  GMC

  Summary

  This preliminary information communicates an issue with of a service theft message after using the rear window defogger. Engineering is currently investigating.

  Associated Products (14)

  2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Yukon2027 GMC Yukon XL2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XL
  Associated Documents

  • DownloadMC-11038133-0001.pdf↗
• September 28, 2026•Document ID: 11038132

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6540K

  Date Added:

  October 5, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealers a procedure to reset the radio.

  Associated Products (173)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL+ 153 more
  Associated Documents

  • DownloadMC-11038132-0001.pdf↗