GMC Sierra Service Bulletins

10,018 manufacturer communications on file.

• June 28, 2019•Document ID: 10164110

  Service Bulletin/Repair Instructions
  POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

  Mfr Comm. #:

  N192265570

  Date Added:

  August 26, 2019

  Manufacturer:

  CHEVROLET

  Summary

  N192265570 - Service Update. Certain vehicles may have misalignment between the transmission output shaft and the transfer case input. Transfer case to transmission misalignment could cause the transfer case shift collar to slip out of engagement. Customers may experience noise, vibration, or harshness issues such as a clunk noise heard during coast down event. Dealers will perform a road test inspection and retorque the transfer case if necessary.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10164110-0001.pdf↗
• June 28, 2019•Document ID: 10163217

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM

  Mfr Comm. #:

  17NA045

  Date Added:

  July 29, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides Information on Using Voice Pass-Thru to Access Voice Recognition Commands on Cell Phone and how it does not work on models equipped with IOA and IOB radios.

  Associated Products (17)

  2017 Chevrolet Bolt EV2017 Chevrolet Camaro2017 Chevrolet Colorado2017 Chevrolet Cruze2017 Chevrolet Malibu2017 Chevrolet Silverado2017 Chevrolet Sonic2017 Chevrolet Spark2017 Chevrolet Trax2017 GMC Acadia2017 GMC Sierra2016 Chevrolet Camaro2016 Chevrolet Cruze2016 Chevrolet Malibu2016 Chevrolet Silverado2016 Chevrolet Spark2016 GMC Sierra
  Associated Documents

  • DownloadMC-10163217-0001.pdf↗
• June 28, 2019•Document ID: 10162168

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  PIT5695

  Date Added:

  July 8, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue where the brake pad monitor life % counts down to quickly.  Engineering is working on a fix.

  Associated Products (2)

  2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10162168-0001.pdf↗
• June 28, 2019•Document ID: 10162167

  Service Bulletin/Repair Instructions
  SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

  Mfr Comm. #:

  PIT5694

  Date Added:

  July 8, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates and issue with the heated/vented seat switch indicators being inoperative or hard to see when the interior light dimmer switch is set to a very low/lowest position.  Engineering is currently investigating the issue.

  Associated Products (2)

  2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10162167-0001.pdf↗
• June 27, 2019•Document ID: 10163222

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  17NA374

  Date Added:

  July 29, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

  Associated Products (8)

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

  • DownloadMC-10163222-0001.pdf↗
• June 27, 2019•Document ID: 10163216

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE

  Mfr Comm. #:

  16NA376

  Date Added:

  July 29, 2019

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on higher than expected oil consumption.

  Associated Products (8)

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

  • DownloadMC-10163216-0001.pdf↗
• June 27, 2019•Document ID: 10162166

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5593D

  Date Added:

  July 8, 2019

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the dealer technician that the 10L80 transmission has been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.

  Associated Products (3)

  2019 Cadillac CT62019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10162166-0001.pdf↗
• June 26, 2019•Document ID: 10164109

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  N192210460 01

  Date Added:

  August 26, 2019

  Manufacturer:

  CHEVROLET

  Summary

  N192210460-01 - Service Update - Certain 2019 Cadillac CT6 equipped with engine RPO?s LSY or LTA, Chevrolet Silverado 1500 (New Model), and GMC Sierra 1500 (New Model) vehicles have a condition where the brake system control module (BSCM) may cause a service brake assist message to appear on the driver?s information center (DIC), and a service engine soon light to illuminate on the dashboard. This may cause the brake pedal feel to be different. The pedal travel will increase for normal/light braking applies. This is caused by a software issue where the motor position sensors do not correlate. Dealers will reflash the BSCM with updated software.

  Associated Products (3)

  2019 Cadillac CT62019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10164109-0001.pdf↗
• June 26, 2019•Document ID: 10163272

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  1308116001E

  Date Added:

  July 29, 2019

  Manufacturer:

  CADILLAC

  Summary

  The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

  Associated Products (571)

  2020 Buick Enclave2020 Buick Encore2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Bolt EV2020 Chevrolet Equinox2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2020 GMC Yukon XL2019 Buick Cascada2019 Buick Enclave2019 Buick Encore2019 Buick Envision+ 551 more
  Associated Documents

  • DownloadMC-10163272-0001.pdf↗
• June 26, 2019•Document ID: 10163270

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  130232001F

  Date Added:

  July 29, 2019

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.

  Associated Products (141)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Cadillac XTS2018 Chevrolet Silverado2018 Chevrolet Trax2018 GMC Sierra2017 Buick Enclave2017 Cadillac XTS2017 Chevrolet Equinox2017 Chevrolet Silverado2017 Chevrolet Traverse2017 Chevrolet Trax2017 GMC Acadia2017 GMC Sierra2017 GMC Terrain2016 Buick Enclave2016 Cadillac XTS2016 Chevrolet Equinox+ 121 more
  Associated Documents

  • DownloadMC-10163270-0001.pdf↗
• June 26, 2019•Document ID: 10163268

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

  Mfr Comm. #:

  100845001G

  Date Added:

  July 29, 2019

  Manufacturer:

  BUICK

  Summary

  This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

  Associated Products (780)

  2020 Buick Enclave2020 Buick Encore2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Bolt EV2020 Chevrolet Equinox2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2020 GMC Yukon XL2019 Buick Cascada2019 Buick Enclave2019 Buick Encore2019 Buick Envision+ 760 more
  Associated Documents

  • DownloadMC-10163268-0001.pdf↗
• June 26, 2019•Document ID: 10163261

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

  Mfr Comm. #:

  050604022Q

  Date Added:

  July 29, 2019

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.

  Associated Products (470)

  2020 Buick Enclave2020 Buick Encore2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Bolt EV2020 Chevrolet Equinox2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2020 GMC Yukon XL2019 Buick Cascada2019 Buick Enclave2019 Buick Encore2019 Buick Envision+ 450 more
  Associated Documents

  • DownloadMC-10163261-0001.pdf↗
• June 26, 2019•Document ID: 10162159

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  PIC6365A

  Date Added:

  July 8, 2019

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended.

  Associated Products (12)

  2019 Cadillac CT62019 Cadillac XT42019 Chevrolet Blazer2019 Chevrolet Camaro2019 Chevrolet Colorado2019 Chevrolet Equinox2019 Chevrolet Malibu2019 Chevrolet Silverado2019 Chevrolet Volt2019 GMC Canyon2019 GMC Sierra2019 GMC Terrain
  Associated Documents

  • DownloadMC-10162159-0001.pdf↗
• June 26, 2019•Document ID: 10162158

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5656

  Date Added:

  July 8, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10162158-0001.pdf↗
• June 26, 2019•Document ID: 10162156

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5575C

  Date Added:

  July 8, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the dealer technician that the transmission control module P/N 24289415 is on restriction through the PQC.

  Associated Products (3)

  2019 Cadillac CT62019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10162156-0001.pdf↗
• June 25, 2019•Document ID: 10163266

  Service Bulletin/Repair Instructions
  ENGINE; EQUIPMENT

  Mfr Comm. #:

  090604026Q

  Date Added:

  July 29, 2019

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (309)

  2019 Buick Cascada2019 Buick Enclave2019 Buick Encore2019 Buick Envision2019 Buick LaCrosse2019 Buick Regal2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Cadillac XT42019 Cadillac XT52019 Cadillac XTS2019 Chevrolet Blazer2019 Chevrolet Camaro2019 Chevrolet Colorado2019 Chevrolet Corvette2019 Chevrolet Equinox2019 Chevrolet Express+ 289 more
  Associated Documents

  • DownloadMC-10163266-0001.pdf↗
• June 25, 2019•Document ID: 10163265

  Service Bulletin/Repair Instructions
  SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:HANGER/BRACKET; SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY

  Mfr Comm. #:

  090309001G

  Date Added:

  July 29, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure for re-torque the lead springs.

  Associated Products (26)

  2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra2015 Chevrolet Silverado2015 GMC Sierra2014 Chevrolet Silverado2014 GMC Sierra2013 Chevrolet Silverado2013 GMC Sierra2012 Chevrolet Silverado2012 GMC Sierra2011 Chevrolet Silverado2011 GMC Sierra2010 Chevrolet Silverado2010 GMC Sierra+ 6 more
  Associated Documents

  • DownloadMC-10163265-0001.pdf↗
• June 25, 2019•Document ID: 10163260

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

  Mfr Comm. #:

  000601012J

  Date Added:

  July 29, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.

  Associated Products (399)

  2020 Buick Enclave2020 Buick Encore2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Bolt EV2020 Chevrolet Equinox2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2020 GMC Yukon XL2019 Buick Cascada2019 Buick Enclave2019 Buick Encore2019 Buick Envision+ 379 more
  Associated Documents

  • DownloadMC-10163260-0001.pdf↗
• June 25, 2019•Document ID: 10163238

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  19NA108

  Date Added:

  July 29, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to replace the head gaskets if found doubled stacked.

  Associated Products (6)

  2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10163238-0001.pdf↗
• June 25, 2019•Document ID: 10163193

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  16NA222

  Date Added:

  July 29, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

  Associated Products (402)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Impala2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Sonic+ 382 more
  Associated Documents

  • DownloadMC-10163193-0001.pdf↗