Chevrolet Silverado Service Bulletins (2021)

1,748 manufacturer communications on file.

• April 12, 2021•Document ID: 10193449

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  PIT5666B

  Date Added:

  May 17, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with a noise caused by the engine harness rubbing on the floor pan.  Dealers are to reposition the harness to fix the noise.

  Associated Products (6)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10193449-0001.pdf↗
• April 9, 2021•Document ID: 10195128

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  050308002I

  Date Added:

  June 7, 2021

  Manufacturer:

  GMC

  Summary

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

  Associated Products (607)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 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 Malibu+ 587 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:

  CADILLAC

  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 (32)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade ESV2020 Chevrolet Camaro2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon2019 Cadillac CT6+ 12 more
  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 (12)

  2021 Cadillac Escalade2021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Chevrolet Camaro2020 Chevrolet Corvette2020 Chevrolet Silverado2020 GMC Sierra
  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 (90)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Express2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Savana2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet 35002020 Chevrolet Camaro2020 Chevrolet Corvette2020 Chevrolet Express2020 Chevrolet Silverado+ 70 more
  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 (11)

  2021 Cadillac Escalade2021 Chevrolet Camaro2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Chevrolet Camaro2020 Chevrolet Corvette2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10193439-0001.pdf↗
• April 7, 2021•Document ID: 10194119

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  N212331790

  Date Added:

  May 24, 2021

  Manufacturer:

  GMC

  Summary

  Service Update Bulletin. The affected vehicles may incorrectly present the MIL/Service Engine Soon Light being illuminated and technicians may find DTC P11D5. Dealers are to reprogram the engine control module. This correction applies to vehicles registered in cold weather US states and Canadian Provinces.

  Associated Products (1)

  2021 Chevrolet Silverado
  Associated Documents

  • DownloadMC-10194119-0001.pdf↗
• April 7, 2021•Document ID: 10194082

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA146

  Date Added:

  May 24, 2021

  Manufacturer:

  GMC

  Summary

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

  Associated Products (453)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 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 Silverado+ 433 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:

  GMC

  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 (14)

  2021 Cadillac Escalade2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Cadillac Escalade2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon2019 Chevrolet Silverado2019 GMC Sierra
  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:

  CADILLAC

  Summary

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

  Associated Products (364)

  2022 Buick Encore2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 4500HD2022 Chevrolet 4500XD2022 Chevrolet 5500HD2022 Chevrolet 5500XD2022 Chevrolet 7500XD2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado+ 344 more
  Associated Documents

  • DownloadMC-10195149-0001.pdf↗
• April 6, 2021•Document ID: 10195127

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  020089002T

  Date Added:

  June 7, 2021

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (707)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 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 Malibu+ 687 more
  Associated Documents

  • DownloadMC-10195127-0001.pdf↗
• April 1, 2021•Document ID: 10193428

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIT5830

  Date Added:

  May 17, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with a low or dead battery issue caused by incorrect ECM calibrations.

  Associated Products (2)

  2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10193428-0001.pdf↗
• April 1, 2021•Document ID: 10193426

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  PIT5803B

  Date Added:

  May 17, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealers there is a known condition with being able to set the Teen Driver PIN and that General Motors Engineering team is working on a correction.

  Associated Products (2)

  2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10193426-0001.pdf↗
• April 1, 2021•Document ID: 10193430

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIT3227Q

  Date Added:

  May 17, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.

  Associated Products (105)

  2021 Chevrolet Colorado2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Sierra2019 Chevrolet Colorado2019 Chevrolet Silverado2019 GMC Canyon2019 GMC Sierra2018 Chevrolet Colorado2018 Chevrolet Silverado2018 GMC Canyon2018 GMC Sierra2017 Chevrolet Colorado2017 Chevrolet Silverado2017 GMC Canyon2017 GMC Sierra+ 85 more
  Associated Documents

  • DownloadMC-10193430-0001.pdf↗
• April 1, 2021•Document ID: 10193429

  Service Bulletin/Repair Instructions
  STRUCTURE; POWER TRAIN

  Mfr Comm. #:

  PIP5799

  Date Added:

  May 17, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the dealer technician to replace the transmission valve body on 2019-2021 10 speed transmissions to correct DTCs P2812 and P2814 setting if Service Information does not lead to root case of these DTCs.

  Associated Products (27)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon XL2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade ESV2020 Chevrolet Camaro2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon XL2019 Cadillac CT6+ 7 more
  Associated Documents

  • DownloadMC-10193429-0001.pdf↗
• March 31, 2021•Document ID: 10191255

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  PIE0627

  Date Added:

  May 3, 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 one or more camera views showing intermittent behavior and/or totally inoperable.

  Associated Products (2)

  2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10191255-0001.pdf↗
• March 31, 2021•Document ID: 10191237

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0602B

  Date Added:

  May 3, 2021

  Manufacturer:

  CHEVROLET

  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 Service Engine Soon Lamp illuminated on Driver Information Center.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10191237-0001.pdf↗
• March 31, 2021•Document ID: 10190444

  Service Bulletin/Repair Instructions
  SUSPENSION; STRUCTURE

  Mfr Comm. #:

  PIP5798

  Date Added:

  April 19, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates Some customers may comment about a rough idle and/or vibration at idle. This condition may be most noticeable when the engine is completely warmed up and accessories are off, you may also feel this while idling at a stop in Drive. May feel like a misfire, stumble, lopey or lumpy idle or may be described as a low idle.    This concern may be caused by several potential causes: Misfire and/or base engine concern Wrong fuel used (regular instead of premium when required) Idle speed fluctuation Engine mount pre-load

  Associated Products (6)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10190444-0001.pdf↗
• March 31, 2021•Document ID: 10192044

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  21NA081

  Date Added:

  May 10, 2021

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides a procedure to locate a possible short in the engine wiring harness.

  Associated Products (10)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10192044-0001.pdf↗
• March 31, 2021•Document ID: 10190443

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  PIT5791A

  Date Added:

  April 19, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent". This bulletin advises that Engineering is working on a software solution that will prevent the message from displaying when listening to non-SXM sources, but still allow the message to display when a loss of connectivity exists and the user is attempting to play Sirius XM.

  Associated Products (23)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 Chevrolet Traverse2021 GMC Acadia+ 3 more
  Associated Documents

  • DownloadMC-10190443-0001.pdf↗