GMC Sierra Service Bulletins (2019)

2,010 manufacturer communications on file.

• December 14, 2020•Document ID: 10185732

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; BACK OVER PREVENTION

  Mfr Comm. #:

  PIT5386F

  Date Added:

  January 25, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.

  Associated Products (16)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra2015 Chevrolet Silverado2015 GMC Sierra2014 Chevrolet Silverado2014 GMC Sierra
  Associated Documents

  • DownloadMC-10185732-0001.pdf↗
• December 14, 2020•Document ID: 10187185

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIT5479D

  Date Added:

  February 16, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.

  Associated Products (58)

  2021 Cadillac Escalade ESV2021 Chevrolet Colorado2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Canyon2021 GMC Sierra2021 GMC Yukon XL2020 Cadillac Escalade ESV2020 Chevrolet Colorado2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Canyon2020 GMC Sierra2020 GMC Yukon XL2019 Cadillac Escalade ESV2019 Chevrolet Colorado2019 Chevrolet Silverado2019 Chevrolet Suburban+ 38 more
  Associated Documents

  • DownloadMC-10187185-0001.pdf↗
• December 14, 2020•Document ID: 10185734

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIT5479D

  Date Added:

  January 25, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.

  Associated Products (58)

  2021 Cadillac Escalade ESV2021 Chevrolet Colorado2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Canyon2021 GMC Sierra2021 GMC Yukon XL2020 Cadillac Escalade ESV2020 Chevrolet Colorado2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Canyon2020 GMC Sierra2020 GMC Yukon XL2019 Cadillac Escalade ESV2019 Chevrolet Colorado2019 Chevrolet Silverado2019 Chevrolet Suburban+ 38 more
  Associated Documents

  • DownloadMC-10185734-0001.pdf↗
• December 10, 2020•Document ID: 10187175

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; BACK OVER PREVENTION:DISPLAY FUNCTION

  Mfr Comm. #:

  PIT5387J

  Date Added:

  February 16, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.

  Associated Products (16)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra2015 Chevrolet Silverado2015 GMC Sierra2014 Chevrolet Silverado2014 GMC Sierra
  Associated Documents

  • DownloadMC-10187175-0001.pdf↗
• December 8, 2020•Document ID: 10187627

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

  Mfr Comm. #:

  090604026S

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

  Associated Products (352)

  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+ 332 more
  Associated Documents

  • DownloadMC-10187627-0001.pdf↗
• December 8, 2020•Document ID: 10186106

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  090604026S

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

  This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

  Associated Products (351)

  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+ 331 more
  Associated Documents

  • DownloadMC-10186106-0001.pdf↗
• December 4, 2020•Document ID: 10187410

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  20NA198

  Date Added:

  February 22, 2021

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10187410-0001.pdf↗
• December 4, 2020•Document ID: 10186083

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  20NA198

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10186083-0001.pdf↗
• December 4, 2020•Document ID: 10187394

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  20NA159

  Date Added:

  February 22, 2021

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (353)

  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+ 333 more
  Associated Documents

  • DownloadMC-10187394-0001.pdf↗
• December 4, 2020•Document ID: 10186080

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  20NA159

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

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

  Associated Products (352)

  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+ 332 more
  Associated Documents

  • DownloadMC-10186080-0001.pdf↗
• December 3, 2020•Document ID: 10187384

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  19NA153

  Date Added:

  February 22, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

  Associated Products (57)

  2019 Chevrolet Colorado2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Canyon2019 GMC Savana2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL2018 Chevrolet Colorado2018 Chevrolet Express2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Canyon2018 GMC Savana2018 GMC Sierra2018 GMC Yukon2018 GMC Yukon XL+ 37 more
  Associated Documents

  • DownloadMC-10187384-0001.pdf↗
• December 3, 2020•Document ID: 10186070

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

  Mfr Comm. #:

  19NA153

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

  Associated Products (57)

  2019 Chevrolet Colorado2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Canyon2019 GMC Savana2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL2018 Chevrolet Colorado2018 Chevrolet Express2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Canyon2018 GMC Savana2018 GMC Sierra2018 GMC Yukon2018 GMC Yukon XL+ 37 more
  Associated Documents

  • DownloadMC-10186070-0001.pdf↗
• December 1, 2020•Document ID: 10187626

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

  Mfr Comm. #:

  040089015V

  Date Added:

  March 1, 2021

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).

  Associated Products (273)

  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+ 253 more
  Associated Documents

  • DownloadMC-10187626-0001.pdf↗
• December 1, 2020•Document ID: 10187383

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19NA136

  Date Added:

  February 22, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.

  Associated Products (49)

  2021 Chevrolet Colorado2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Sierra2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Canyon2019 GMC Sierra2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Chevrolet Colorado2018 Chevrolet Silverado2018 Chevrolet Suburban+ 29 more
  Associated Documents

  • DownloadMC-10187383-0001.pdf↗
• December 1, 2020•Document ID: 10187372

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16NA019

  Date Added:

  February 22, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

  Associated Products (229)

  2021 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 Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Spark2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 Chevrolet Traverse+ 209 more
  Associated Documents

  • DownloadMC-10187372-0001.pdf↗
• December 1, 2020•Document ID: 10186105

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  040089015V

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).

  Associated Products (273)

  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+ 253 more
  Associated Documents

  • DownloadMC-10186105-0001.pdf↗
• December 1, 2020•Document ID: 10186069

  Service Bulletin/Repair Instructions
  PARKING BRAKE; EQUIPMENT; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

  Mfr Comm. #:

  19NA136

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.

  Associated Products (54)

  2021 Chevrolet Colorado2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Sierra2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Canyon2019 GMC Sierra2019 GMC Yukon2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Chevrolet Colorado2018 Chevrolet Silverado+ 34 more
  Associated Documents

  • DownloadMC-10186069-0001.pdf↗
• December 1, 2020•Document ID: 10186058

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN

  Mfr Comm. #:

  16NA019

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

  Associated Products (228)

  2021 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 Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 Chevrolet Traverse2021 Chevrolet Trax+ 208 more
  Associated Documents

  • DownloadMC-10186058-0001.pdf↗
• November 30, 2020•Document ID: 10184491

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); SERVICE BRAKES

  Mfr Comm. #:

  20NA161

  Date Added:

  December 21, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin advises the technician to check for a possible stuck oil pressure relief valve.

  Associated Products (9)

  2020 Chevrolet Express2020 GMC Savana2019 Chevrolet 35002019 Chevrolet 4500HD2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 GMC Savana2019 GMC Sierra
  Associated Documents

  • DownloadMC-10184491-0001.pdf↗
• November 30, 2020•Document ID: 10184482

  Service Bulletin/Repair Instructions
  VISIBILITY; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; POWER TRAIN

  Mfr Comm. #:

  19NA076

  Date Added:

  December 21, 2020

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (24)

  2020 Buick Enclave2020 Buick Encore GX2020 Cadillac CT62020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Equinox2020 Chevrolet Silverado2020 Chevrolet Traverse2020 GMC Acadia2020 GMC Sierra2020 GMC Terrain2019 Buick LaCrosse2019 Cadillac CT62019 Cadillac XT42019 Chevrolet Blazer2019 Chevrolet Camaro+ 4 more
  Associated Documents

  • DownloadMC-10184482-0001.pdf↗