GMC Yukon Service Bulletins (2021)

1,235 manufacturer communications on file.

• April 30, 2021•Document ID: 10194079

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16NA338

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.

  Associated Products (29)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark2021 Chevrolet Suburban+ 9 more
  Associated Documents

  • DownloadMC-10194079-0001.pdf↗
• April 23, 2021•Document ID: 10194114

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21NA103

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition.

  Associated Products (31)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 4500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark+ 11 more
  Associated Documents

  • DownloadMC-10194114-0001.pdf↗
• April 23, 2021•Document ID: 10194090

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  20NA218

  Date Added:

  May 24, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.

  Associated Products (12)

  2021 Buick Encore GX2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Terrain2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10194090-0001.pdf↗
• April 23, 2021•Document ID: 10193473

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5776C

  Date Added:

  May 17, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart.  It is recommended to replace the lifter guide and the four lifters.

  Associated Products (3)

  2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-10193473-0001.pdf↗
• April 22, 2021•Document ID: 10195126

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  000601026N

  Date Added:

  June 7, 2021

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

  Associated Products (31)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 4500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark+ 11 more
  Associated Documents

  • DownloadMC-10195126-0001.pdf↗
• April 21, 2021•Document ID: 10194127

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  N202316750

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  Service Update - Certain 2021 model year Chevrolet Suburban, Tahoe, and GMC Yukon, Yukon XL vehicles may have been built with 3rd row head restraints that will not stay up after being folded forward, due to an internal spring tab breaking. Dealers will replace the structural core of the 3rd row headrests only.

  Associated Products (4)

  2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10194127-0001.pdf↗
• April 19, 2021•Document ID: 10193458

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5752L

  Date Added:

  May 17, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern

  Associated Products (4)

  2021 Chevrolet Camaro2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-10193458-0001.pdf↗
• April 16, 2021•Document ID: 10194101

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  21NA068

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ (U.S. Only).

  Associated Products (31)

  2022 Chevrolet Bolt EV2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark+ 11 more
  Associated Documents

  • DownloadMC-10194101-0001.pdf↗
• April 15, 2021•Document ID: 10194091

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

  Mfr Comm. #:

  20NA233

  Date Added:

  May 24, 2021

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Long Range Radar setting DTC U3000 49.

  Associated Products (7)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10194091-0001.pdf↗
• April 15, 2021•Document ID: 10193454

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  PIP5653K

  Date Added:

  May 17, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly.

  Associated Products (3)

  2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-10193454-0001.pdf↗
• April 13, 2021•Document ID: 10194081

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA073

  Date Added:

  May 24, 2021

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

  Associated Products (30)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 4500XD2021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark2021 Chevrolet Suburban+ 10 more
  Associated Documents

  • DownloadMC-10194081-0001.pdf↗
• April 9, 2021•Document ID: 10195128

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  050308002I

  Date Added:

  June 7, 2021

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.

  Associated Products (31)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 4500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark+ 11 more
  Associated Documents

  • DownloadMC-10195128-0001.pdf↗
• April 9, 2021•Document ID: 10193447

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIP5654A

  Date Added:

  May 17, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer technician that the valve body Part Unique Number (PUN) may contain the letter O or the number 0.

  Associated Products (7)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-10193447-0001.pdf↗
• April 9, 2021•Document ID: 10193446

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  PIP5801A

  Date Added:

  May 17, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190 Possible broken valve spring.

  Associated Products (5)

  2021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-10193446-0001.pdf↗
• April 8, 2021•Document ID: 10194084

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

  Mfr Comm. #:

  20NA038

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.

  Associated Products (9)

  2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Express2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Savana2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10194084-0001.pdf↗
• April 8, 2021•Document ID: 10193439

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  PIP5801

  Date Added:

  May 17, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190 Possible broken valve spring.

  Associated Products (4)

  2021 Chevrolet Camaro2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-10193439-0001.pdf↗
• April 7, 2021•Document ID: 10195155

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0624

  Date Added:

  June 7, 2021

  Manufacturer:

  GMC

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Liftgate Ajar Lamp illuminated on Driver Information Center (DIC) with the Liftgate being closed.

  Associated Products (5)

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

  • DownloadMC-10195155-0001.pdf↗
• April 7, 2021•Document ID: 10194082

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA146

  Date Added:

  May 24, 2021

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (30)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark2021 Chevrolet Suburban+ 10 more
  Associated Documents

  • DownloadMC-10194082-0001.pdf↗
• April 7, 2021•Document ID: 10193436

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5794A

  Date Added:

  May 17, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue.

  Associated Products (3)

  2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-10193436-0001.pdf↗
• April 6, 2021•Document ID: 10195149

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  070089036J

  Date Added:

  June 7, 2021

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (64)

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  Associated Documents

  • DownloadMC-10195149-0001.pdf↗