Chevrolet Corvette Service Bulletins

4,221 manufacturer communications on file.

• May 3, 2021•Document ID: 10198847

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19NA044

  Date Added:

  July 6, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

  Associated Products (519)

  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+ 499 more
  Associated Documents

  • DownloadMC-10198847-0001.pdf↗
• May 3, 2021•Document ID: 10197280

  Service Bulletin/Repair Instructions
  STRUCTURE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6384E

  Date Added:

  June 14, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon.

  Associated Products (11)

  2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Chevrolet Corvette2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2020 Cadillac CT42020 Cadillac CT52020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10197280-0001.pdf↗
• 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 (685)

  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+ 665 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 (389)

  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+ 369 more
  Associated Documents

  • DownloadMC-10194114-0001.pdf↗
• April 23, 2021•Document ID: 10194111

  Service Bulletin/Repair Instructions
  EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

  Mfr Comm. #:

  21NA099

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of Speaker Noise, or Loss of Bass, or Low / No Output of Audio from Individual Speaker Channels.

  Associated Products (2)

  2021 Chevrolet Corvette2020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10194111-0001.pdf↗
• April 23, 2021•Document ID: 10194090

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  20NA218

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  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 (28)

  2021 Buick Encore GX2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon2021 GMC Yukon XL2020 Buick Encore GX2020 Buick Regal2020 Cadillac CT52020 Chevrolet Corvette2020 Chevrolet Equinox+ 8 more
  Associated Documents

  • DownloadMC-10194090-0001.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 (468)

  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+ 448 more
  Associated Documents

  • DownloadMC-10195126-0001.pdf↗
• April 19, 2021•Document ID: 10194130

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  N202315731

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  Service Update - certain vehicles may have a condition where exposed porosity in wheel castings are larger than allowed and do not meet internal GM requirements. Vehicles in this field action are to have two sets of wheels inspected. The wheels on the vehicle are inspected under N202315730 and the extra wheels are inspected under this field action. Dealers are to inspect the wheels and replace if necessary.

  Associated Products (1)

  2020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10194130-0001.pdf↗
• April 19, 2021•Document ID: 10194129

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  N202315730

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  Summary

  Service update - certain vehicles may have a condition where exposed porosity in wheel castings are larger than allowed and do not meet internal GM requirements. Dealers are to inspect the wheels and replace if necessary.

  Associated Products (2)

  2021 Chevrolet Corvette2020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10194129-0001.pdf↗
• April 19, 2021•Document ID: 10193458

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5752L

  Date Added:

  May 17, 2021

  Manufacturer:

  GMC

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

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  21NA068

  Date Added:

  May 24, 2021

  Manufacturer:

  CADILLAC

  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 (186)

  2022 Chevrolet Bolt EV2021 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 Malibu+ 166 more
  Associated Documents

  • DownloadMC-10194101-0001.pdf↗
• April 16, 2021•Document ID: 10193456

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; BACK OVER PREVENTION

  Mfr Comm. #:

  PIT5782C

  Date Added:

  May 17, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates and issue with programming a replacement side object detection module and engineering is working on the issue.

  Associated Products (7)

  2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Chevrolet Corvette2020 Cadillac CT42020 Cadillac CT52020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10193456-0001.pdf↗
• April 13, 2021•Document ID: 10194081

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA073

  Date Added:

  May 24, 2021

  Manufacturer:

  CHEVROLET

  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 (279)

  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 Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 259 more
  Associated Documents

  • DownloadMC-10194081-0001.pdf↗
• April 12, 2021•Document ID: 10193450

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  PIP5640A

  Date Added:

  May 17, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.

  Associated Products (803)

  2018 Buick Cascada2018 Buick Enclave2018 Buick Encore2018 Buick Envision2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Cadillac XT52018 Cadillac XTS2018 Chevrolet 4500HD2018 Chevrolet 5500HD2018 Chevrolet Aveo2018 Chevrolet Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette+ 783 more
  Associated Documents

  • DownloadMC-10193450-0001.pdf↗
• April 12, 2021•Document ID: 10193448

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6383E

  Date Added:

  May 17, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a parts restriction is in place for the Video Processing Module on 2020 Cadillac CT4,CT5 and Chevrolet Corvette. Restriction has now ended.

  Associated Products (3)

  2020 Cadillac CT42020 Cadillac CT52020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10193448-0001.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: 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: 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↗