GMC Sierra Service Bulletins (2020)

1,991 manufacturer communications on file.

• May 4, 2020•Document ID: 10176654

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0567

  Date Added:

  June 22, 2020

  Manufacturer:

  GMC

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to SD Code messages displayed on the Radio Screen and/or Instrument Cluster - Navigation System Malfunction.

  Associated Products (11)

  2020 Buick Enclave2020 Buick Encore2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Silverado2020 Chevrolet Traverse2020 GMC Acadia2020 GMC Sierra
  Associated Documents

  • DownloadMC-10176654-0001.pdf↗
• May 4, 2020•Document ID: 10176653

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0566

  Date Added:

  June 22, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) Illuminated and/or functional failures of the Airflow Shutter.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10176653-0001.pdf↗
• May 4, 2020•Document ID: 10176630

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20NA090

  Date Added:

  June 22, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides a way for the technician to identify if the ECM has been modified.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10176630-0001.pdf↗
• May 4, 2020•Document ID: 10176624

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20NA043

  Date Added:

  June 22, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.

  Associated Products (8)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10176624-0001.pdf↗
• April 30, 2020•Document ID: 10174869

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5743

  Date Added:

  May 11, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E.  Main cause is aftermarket electrical devices spliced into the ignition main fuses.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10174869-0001.pdf↗
• April 30, 2020•Document ID: 10175854

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  090089002R

  Date Added:

  June 1, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.

  Associated Products (81)

  2021 Cadillac Escalade2021 Cadillac XT42021 Chevrolet Corvette2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Sierra2021 GMC Yukon2020 GMC Acadia2020 GMC Canyon2020 GMC Savana2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2020 GMC Yukon XL2019 GMC Acadia2019 GMC Canyon2019 GMC Savana2019 GMC Sierra+ 61 more
  Associated Documents

  • DownloadMC-10175854-0001.pdf↗
• April 29, 2020•Document ID: 10175857

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

  Mfr Comm. #:

  PIE0555A

  Date Added:

  June 1, 2020

  Manufacturer:

  GMC

  Summary

  This engineering information (EI) is requesting information from the field on vehicles experiencing reduced engine power. GM Engineering needs to gather information to root cause the customer concern and develop a field fix.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10175857-0001.pdf↗
• April 29, 2020•Document ID: 10175850

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

  Mfr Comm. #:

  000310003Z

  Date Added:

  June 1, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

  Associated Products (338)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Impala+ 318 more
  Associated Documents

  • DownloadMC-10175850-0001.pdf↗
• April 28, 2020•Document ID: 10175853

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  060089029R

  Date Added:

  June 1, 2020

  Manufacturer:

  BUICK

  Summary

  This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.

  Associated Products (633)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette+ 613 more
  Associated Documents

  • DownloadMC-10175853-0001.pdf↗
• April 28, 2020•Document ID: 10175773

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE

  Mfr Comm. #:

  20NA095

  Date Added:

  May 26, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin is advising dealers to replace the grilles due to rust.

  Associated Products (2)

  2020 GMC Sierra2019 GMC Sierra
  Associated Documents

  • DownloadMC-10175773-0001.pdf↗
• April 27, 2020•Document ID: 10174860

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5719B

  Date Added:

  May 11, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern.

  Associated Products (15)

  2020 Cadillac Escalade2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10174860-0001.pdf↗
• April 27, 2020•Document ID: 10174859

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5195F

  Date Added:

  May 11, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.

  Associated Products (141)

  2020 Chevrolet Camaro2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon XL2019 Chevrolet Camaro2019 Chevrolet Equinox2019 Chevrolet Malibu2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Terrain2019 GMC Yukon2018 Chevrolet Camaro2018 Chevrolet Equinox+ 121 more
  Associated Documents

  • DownloadMC-10174859-0001.pdf↗
• April 24, 2020•Document ID: 10174857

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  PIP5647A

  Date Added:

  May 11, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates  A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Engine oil level  will be found over full and have a  fuel odor. It will be found that the Engine oil is diluted with fuel.  Small gas engines (SGE) May only have the engine oil level over full and have a  fuel odor. It will be found that the Engine oil is diluted with fuel. This concern is caused by marshalling the vehicle around the lot before it is sold and/or short driver cycles.

  Associated Products (24)

  2020 Buick Encore2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 GMC Sierra2020 GMC Terrain2019 Buick Encore2019 Chevrolet Cruze2019 Chevrolet Equinox2019 Chevrolet Malibu2019 Chevrolet Silverado2019 GMC Sierra2019 GMC Terrain2018 Buick Encore2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Malibu2018 GMC Terrain2017 Buick Encore2017 Chevrolet Cruze+ 4 more
  Associated Documents

  • DownloadMC-10174857-0001.pdf↗
• April 21, 2020•Document ID: 10174855

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5724

  Date Added:

  May 11, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates The vehicle may have an SES lamp with any of the following DTC   P06DA, P06DB, P06DC,  P250A, P0300, P0340, P0341, P0335, P0336,  P0641, P0011, P0010, P2088, P2089, and/or P2230. Possible crank no start or a stall. Possible wiring jumper harness pintched between the X154 connector bracket and the front engine cover on lower left side of the engine.

  Associated Products (7)

  2020 Cadillac Escalade2020 Chevrolet Camaro2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon XL
  Associated Documents

  • DownloadMC-10174855-0001.pdf↗
• April 20, 2020•Document ID: 10175858

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

  Mfr Comm. #:

  PIE0560A

  Date Added:

  June 1, 2020

  Manufacturer:

  GMC

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Service 4WD message being visible on the driver information center (DIC).

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10175858-0001.pdf↗
• April 20, 2020•Document ID: 10175758

  Service Bulletin/Repair Instructions
  SEAT BELTS; EQUIPMENT

  Mfr Comm. #:

  20NA048

  Date Added:

  May 26, 2020

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10175758-0001.pdf↗
• April 20, 2020•Document ID: 10175756

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA012

  Date Added:

  May 26, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update.

  Associated Products (10)

  2020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Equinox2020 Chevrolet Silverado2020 Chevrolet Sonic2020 Chevrolet Trax2020 GMC Canyon2020 GMC Sierra2020 GMC Terrain
  Associated Documents

  • DownloadMC-10175756-0001.pdf↗
• April 20, 2020•Document ID: 10174849

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5670E

  Date Added:

  May 11, 2020

  Manufacturer:

  GMC

  Summary

  This preliminary information communicates the part restriction for the diesel turbocharger and EGR components. Updated to provide instruction on gathering additional data.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10174849-0001.pdf↗
• April 20, 2020•Document ID: 10174828

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5667C

  Date Added:

  May 11, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10174828-0001.pdf↗
• April 17, 2020•Document ID: 10174826

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5719A

  Date Added:

  May 11, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern.

  Associated Products (15)

  2020 Cadillac Escalade2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10174826-0001.pdf↗