GMC Sierra Service Bulletins (2020)

1,991 manufacturer communications on file.

• September 9, 2020•Document ID: 10181676

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  18NA361

  Date Added:

  October 26, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

  Associated Products (18)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Cruze2019 Chevrolet Equinox2019 Chevrolet Silverado2019 GMC Sierra2019 GMC Terrain2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Silverado2018 GMC Sierra2018 GMC Terrain2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra2015 Chevrolet Cruze2014 Chevrolet Cruze
  Associated Documents

  • DownloadMC-10181676-0001.pdf↗
• September 9, 2020•Document ID: 10181713

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  20NA187

  Date Added:

  October 26, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off.

  Associated Products (33)

  2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Sierra2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Chevrolet Camaro2019 Chevrolet Colorado2019 Chevrolet Corvette2019 Chevrolet Express+ 13 more
  Associated Documents

  • DownloadMC-10181713-0001.pdf↗
• September 3, 2020•Document ID: 10181704

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA176

  Date Added:

  October 26, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern.

  Associated Products (8)

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

  • DownloadMC-10181704-0001.pdf↗
• September 2, 2020•Document ID: 10181703

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  20NA175

  Date Added:

  October 26, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10181703-0001.pdf↗
• September 2, 2020•Document ID: 10181660

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16NA019

  Date Added:

  October 26, 2020

  Manufacturer:

  GMC

  Summary

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

  Associated Products (225)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Canyon2021 GMC Savana2021 GMC Sierra+ 205 more
  Associated Documents

  • DownloadMC-10181660-0001.pdf↗
• September 1, 2020•Document ID: 10181645

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  N202304080

  Date Added:

  October 26, 2020

  Manufacturer:

  GMC

  Summary

  Customer Satisfaction Program. Certain vehicles may not have one of the fill pipe parts kit which should be included with the vehicle. Dealers are to provide the missing fill pipe parts kit to the customer.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10181645-0001.pdf↗
• August 28, 2020•Document ID: 10213752

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  N192285071 01

  Date Added:

  June 13, 2022

  Manufacturer:

  GMC

  Summary

  Customer Satisfaction Program. As part of equipment recall N192285070, GM instructed dealers to remove recalled tri-fold tonneau covers on certain vehicles prior to delivery to the customer. GM is conducting this customer satisfaction field action to provide these customers with the improved tonneau cover system for their vehicle. Dealers will replace the tonneau rails and clamps and add a tether to prevent the tonneau from detaching onto the roadway even if improperly installed. If the vehicle was covered by equipment recall 19E031 (N192217500), the dealer will also confirm that the repair for equipment recall 19E031 (N192217500) was correctly performed.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10213752-0001.pdf↗
• August 27, 2020•Document ID: 10180322

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA167

  Date Added:

  September 28, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to program the ECM if found the cause of the customers concerns.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10180322-0001.pdf↗
• August 27, 2020•Document ID: 10179658

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5733C

  Date Added:

  September 14, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation

  Associated Products (22)

  2021 Cadillac Escalade2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon2020 Cadillac CT52020 Cadillac Escalade2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon+ 2 more
  Associated Documents

  • DownloadMC-10179658-0001.pdf↗
• August 26, 2020•Document ID: 10179654

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL

  Mfr Comm. #:

  PIP5669A

  Date Added:

  September 14, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information communicates the end of the part restriction for the diesel engine fuel system components

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10179654-0001.pdf↗
• August 26, 2020•Document ID: 10179652

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT

  Mfr Comm. #:

  PIP5667E

  Date Added:

  September 14, 2020

  Manufacturer:

  CHEVROLET

  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-10179652-0001.pdf↗
• August 24, 2020•Document ID: 10180319

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  20NA163

  Date Added:

  September 28, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of Rearview Camera Displaying Narrow Guidelines and Zoomed Out/Fisheye Appearance.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10180319-0001.pdf↗
• August 24, 2020•Document ID: 10179649

  Service Bulletin/Repair Instructions
  STEERING; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

  Mfr Comm. #:

  PIP5653J

  Date Added:

  September 14, 2020

  Manufacturer:

  GMC

  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-10179649-0001.pdf↗
• August 21, 2020•Document ID: 10180321

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20NA166

  Date Added:

  September 28, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.

  Associated Products (64)

  2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Camaro2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon2020 GMC Yukon XL2019 Cadillac CTS2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Camaro2019 Chevrolet Corvette2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL+ 44 more
  Associated Documents

  • DownloadMC-10180321-0001.pdf↗
• August 21, 2020•Document ID: 10179647

  Service Bulletin/Repair Instructions
  EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT

  Mfr Comm. #:

  PIT5767

  Date Added:

  September 14, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with poor a/c performance and to replace the a/c condenser.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10179647-0001.pdf↗
• August 21, 2020•Document ID: 10179646

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5498M

  Date Added:

  September 14, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.

  Associated Products (51)

  2020 Cadillac Escalade2020 Chevrolet Camaro2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon XL2019 Cadillac CTS2019 Cadillac Escalade2019 Chevrolet Camaro2019 Chevrolet Corvette2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2018 Cadillac CTS2018 Cadillac Escalade2018 Chevrolet Camaro2018 Chevrolet Corvette+ 31 more
  Associated Documents

  • DownloadMC-10179646-0001.pdf↗
• August 20, 2020•Document ID: 10179644

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:WIRING; ENGINE

  Mfr Comm. #:

  PIT5751B

  Date Added:

  September 14, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates and issue with the SES MIL on setting DTC's P0201/P0202/P0203/P0204/P0205/P0206/P0216 and instructing dealership to inspect the engine wiring harness for damage.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10179644-0001.pdf↗
• August 20, 2020•Document ID: 10179641

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT

  Mfr Comm. #:

  PIP5748

  Date Added:

  September 14, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10179641-0001.pdf↗
• August 20, 2020•Document ID: 10179642

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

  Mfr Comm. #:

  PIP5647B

  Date Added:

  September 14, 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 (27)

  2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2020 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 Malibu+ 7 more
  Associated Documents

  • DownloadMC-10179642-0001.pdf↗
• August 17, 2020•Document ID: 10180311

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  20NA129

  Date Added:

  September 28, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information for dealers/technicians on Rear View Camera Display Bright At Night.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10180311-0001.pdf↗