GMC Sierra Service Bulletins (2020)

1,991 manufacturer communications on file.

• April 17, 2020•Document ID: 10174825

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIT5742

  Date Added:

  May 11, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with the engine wiring harness shorting on the ecm mounting bracket and provides repair instructions.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10174825-0001.pdf↗
• April 16, 2020•Document ID: 10175760

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SERVICE BRAKES

  Mfr Comm. #:

  20NA073

  Date Added:

  May 26, 2020

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set.

  Associated Products (10)

  2020 Cadillac CT62020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Silverado2020 GMC Acadia2020 GMC Sierra2019 Cadillac CT62019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10175760-0001.pdf↗
• April 16, 2020•Document ID: 10174824

  Service Bulletin/Repair Instructions
  SERVICE BRAKES; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5735A

  Date Added:

  May 11, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with a SES MIL and the Brake System Control Module setting false DTC's during shut down.  GM Engineering released updated cals for the BSCM to repair the issue.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10174824-0001.pdf↗
• April 15, 2020•Document ID: 10175749

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  19NA076

  Date Added:

  May 26, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of Blue Screen and Service Rear Vision System Message on Radio Display.

  Associated Products (14)

  2020 Cadillac CT62020 Cadillac XT42020 Chevrolet Blazer2020 Chevrolet Equinox2020 Chevrolet Silverado2020 GMC Sierra2020 GMC Terrain2019 Cadillac CT62019 Cadillac XT42019 Chevrolet Blazer2019 Chevrolet Equinox2019 Chevrolet Silverado2019 GMC Sierra2019 GMC Terrain
  Associated Documents

  • DownloadMC-10175749-0001.pdf↗
• April 14, 2020•Document ID: 10175855

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  PI0281H

  Date Added:

  June 1, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

  Associated Products (486)

  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+ 466 more
  Associated Documents

  • DownloadMC-10175855-0001.pdf↗
• April 14, 2020•Document ID: 10174818

  Service Bulletin/Repair Instructions
  ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

  Mfr Comm. #:

  PIT4322K

  Date Added:

  May 11, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.

  Associated Products (91)

  2020 Cadillac Escalade2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon2019 Cadillac Escalade2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2018 Cadillac Escalade2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon2017 Cadillac Escalade2017 Chevrolet Silverado+ 71 more
  Associated Documents

  • DownloadMC-10174818-0001.pdf↗
• April 9, 2020•Document ID: 10175766

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  20NA087

  Date Added:

  May 26, 2020

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Blank Radio Display or No Audio.

  Associated Products (4)

  2020 Cadillac XT42020 Cadillac XT62020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10175766-0001.pdf↗
• April 7, 2020•Document ID: 10175761

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA082

  Date Added:

  May 26, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.

  Associated Products (6)

  2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Savana2020 GMC Sierra
  Associated Documents

  • DownloadMC-10175761-0001.pdf↗
• April 7, 2020•Document ID: 10175762

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA083

  Date Added:

  May 26, 2020

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order.

  Associated Products (10)

  2021 Cadillac Escalade2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10175762-0001.pdf↗
• April 6, 2020•Document ID: 10175747

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  18NA383

  Date Added:

  May 26, 2020

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10175747-0001.pdf↗
• April 3, 2020•Document ID: 10175852

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  060089029Q

  Date Added:

  June 1, 2020

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.

  Associated Products (577)

  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 4500XD2020 Chevrolet 5500HD2020 Chevrolet 5500XD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro+ 557 more
  Associated Documents

  • DownloadMC-10175852-0001.pdf↗
• April 2, 2020•Document ID: 10175859

  Service Bulletin/Repair Instructions
  ENGINE; EQUIPMENT:MECHANICAL

  Mfr Comm. #:

  PIE0563

  Date Added:

  June 1, 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 oil leaking from the oil pan.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10175859-0001.pdf↗
• March 31, 2020•Document ID: 10174304

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  100089005I

  Date Added:

  April 27, 2020

  Manufacturer:

  SATURN

  Summary

  This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs.

  Associated Products (555)

  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+ 535 more
  Associated Documents

  • DownloadMC-10174304-0001.pdf↗
• March 27, 2020•Document ID: 10174295

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; ENGINE

  Mfr Comm. #:

  20NA076

  Date Added:

  April 27, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the technician on where to located the fuel injector identification number.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10174295-0001.pdf↗
• March 27, 2020•Document ID: 10174087

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA066

  Date Added:

  April 27, 2020

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to program the glow plug control module if found the cause of the customers concerns.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10174087-0001.pdf↗
• March 27, 2020•Document ID: 10173724

  Service Bulletin/Repair Instructions
  POWER TRAIN:DRIVELINE:DRIVESHAFT; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

  Mfr Comm. #:

  PIP5653E

  Date Added:

  April 13, 2020

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10173724-0001.pdf↗
• March 26, 2020•Document ID: 10174439

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0546A

  Date Added:

  May 4, 2020

  Manufacturer:

  GMC

  Summary

  This engineering information (EI) is requesting information from the field on conditions of Service Engine Soon (SES) Lamp Illuminated, DTCs B2B0D and/or B2B0E Central Gateway Module Codes Unable to Communicate with HSLAN or LSLAN. Eng is attempting to root cause condition and validate a field fix.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10174439-0001.pdf↗
• March 25, 2020•Document ID: 10174448

  Service Bulletin/Repair Instructions
  TRAILER HITCHES

  Mfr Comm. #:

  PIE0562

  Date Added:

  May 4, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to a Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses Blown.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10174448-0001.pdf↗
• March 24, 2020•Document ID: 10174446

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

  Mfr Comm. #:

  PIE0560

  Date Added:

  May 4, 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 on a Service 4WD message being visible the driver information center (DIC).

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10174446-0001.pdf↗
• March 24, 2020•Document ID: 10174276

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  20NA012

  Date Added:

  April 27, 2020

  Manufacturer:

  GMC

  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-10174276-0001.pdf↗