GMC Yukon Service Bulletins (2021)

1,235 manufacturer communications on file.

• September 13, 2024•Document ID: 11007773

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6110C

  Date Added:

  September 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is working on a fix.

  Associated Products (15)

  2024 Cadillac Escalade2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Tahoe2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-11007773-0001.pdf↗
• September 12, 2024•Document ID: 11007744

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5099H

  Date Added:

  September 12, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

  Associated Products (53)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 33 more
  Associated Documents

  • DownloadMC-11007744-0001.pdf↗
• September 12, 2024•Document ID: 11007743

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5099H

  Date Added:

  September 12, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

  Associated Products (53)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 33 more
  Associated Documents

  • DownloadMC-11007743-0001.pdf↗
• September 11, 2024•Document ID: 11008962

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  22-NA-182

  Date Added:

  October 17, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.

  Associated Products (28)

  2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 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 ESV2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Suburban2022 Chevrolet Tahoe+ 8 more
  Associated Documents

  • DownloadMC-11008962-0001.pdf↗
• September 11, 2024•Document ID: 11007691

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  PIT5509L

  Date Added:

  September 11, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System” message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.

  Associated Products (23)

  2024 Cadillac Escalade2024 Chevrolet Colorado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Canyon2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Colorado2023 Chevrolet Tahoe2023 GMC Canyon2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Colorado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Canyon2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Colorado2021 Chevrolet Suburban+ 3 more
  Associated Documents

  • DownloadMC-11007691-0001.pdf↗
• September 11, 2024•Document ID: 11007687

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6086H

  Date Added:

  September 11, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area.  Technician will remove the moisture sensor and clean the glass and mounting bracket with alcohol wipe. If the gel separates from the sensor the sensor will need to be replaced.

  Associated Products (39)

  2025 Cadillac CT42025 Cadillac XT52025 Cadillac XT62025 GMC Hummer EV Pickup2024 Buick Encore GX2024 Cadillac CT42024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT52024 Cadillac XT62024 Chevrolet Suburban2024 GMC Hummer EV Pickup2024 GMC Yukon2024 GMC Yukon XL2023 Buick Encore GX2023 Cadillac CT42023 Cadillac Escalade2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT6+ 19 more
  Associated Documents

  • DownloadMC-11007687-0001.pdf↗
• September 11, 2024•Document ID: 11007686

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  PIT6212

  Date Added:

  September 11, 2024

  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 (15)

  2024 Cadillac Escalade2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Tahoe2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-11007686-0001.pdf↗
• September 10, 2024•Document ID: 11009037

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  07-00-89-036K

  Date Added:

  October 22, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.

  Associated Products (165)

  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 Tahoe2025 Chevrolet Trailblazer+ 145 more
  Associated Documents

  • DownloadMC-11009037-0001.pdf↗
• September 10, 2024•Document ID: 11008961

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21-NA-281

  Date Added:

  October 17, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.

  Associated Products (38)

  2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Tahoe2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Tahoe+ 18 more
  Associated Documents

  • DownloadMC-11008961-0001.pdf↗
• September 9, 2024•Document ID: 11008956

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  02-00-89-002X

  Date Added:

  October 17, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).

  Associated Products (165)

  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 Tahoe2025 Chevrolet Trailblazer+ 145 more
  Associated Documents

  • DownloadMC-11008956-0001.pdf↗
• September 6, 2024•Document ID: 11007405

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  PIT6134B

  Date Added:

  September 6, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.

  Associated Products (15)

  2024 Cadillac Escalade2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Tahoe2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-11007405-0001.pdf↗
• September 6, 2024•Document ID: 11007295

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5964D

  Date Added:

  September 6, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated and code P023F or P129F is found.

  Associated Products (51)

  2024 GMC Savana2023 Buick Enclave2023 Buick Encore GX2023 Buick Envision2023 Cadillac Escalade2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Terrain2023 GMC Yukon2022 Buick Enclave2022 Buick Encore GX2022 Buick Envision+ 31 more
  Associated Documents

  • DownloadMC-11007295-0001.pdf↗
• September 6, 2024•Document ID: 11007208

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT3271P

  Date Added:

  September 6, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.

  Associated Products (151)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista+ 131 more
  Associated Documents

  • DownloadMC-11007208-0001.pdf↗
• September 6, 2024•Document ID: 11007196

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC5650L

  Date Added:

  September 6, 2024

  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, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.

  Associated Products (53)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 33 more
  Associated Documents

  • DownloadMC-11007196-0001.pdf↗
• September 4, 2024•Document ID: 11007017

  Service Bulletin/Repair Instructions
  VEHICLE SPEED CONTROL

  Mfr Comm. #:

  PIT5854B

  Date Added:

  September 4, 2024

  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 (18)

  2024 Cadillac Escalade2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-11007017-0001.pdf↗
• September 4, 2024•Document ID: 11007011

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5832A

  Date Added:

  September 4, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis.

  Associated Products (15)

  2024 Cadillac Escalade2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Tahoe2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-11007011-0001.pdf↗
• September 4, 2024•Document ID: 11006994

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5851E

  Date Added:

  September 4, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.

  Associated Products (29)

  2025 Cadillac CT42025 Cadillac CT52025 Chevrolet Corvette2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Chevrolet Corvette2024 Chevrolet Tahoe2024 GMC Yukon2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Chevrolet Corvette2023 Chevrolet Tahoe2023 GMC Yukon2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Chevrolet Corvette+ 9 more
  Associated Documents

  • DownloadMC-11006994-0001.pdf↗
• September 4, 2024•Document ID: 11006988

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  PIT5990B

  Date Added:

  September 4, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl.

  Associated Products (15)

  2024 Cadillac Escalade2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Tahoe2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-11006988-0001.pdf↗
• August 29, 2024•Document ID: 11008895

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  21-NA-149

  Date Added:

  October 9, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer concerns of IPC Gauges Sweep, IPC Warning Message, SES/Check Engine/MIL, No Start/ No Crank, Runs Rough, Stalls, Reduced Engine Power, Various DTCs.

  Associated Products (17)

  2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-11008895-0001.pdf↗
• August 28, 2024•Document ID: 11008086

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-167

  Date Added:

  September 28, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of Shake and/or Shudder During Steady Speed and/or Light Throttle Acceleration Between 25 and 50 MPH (40 and 80 KM/H).

  Associated Products (6)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-11008086-0001.pdf↗