GMC Sierra Service Bulletins (2018)

1,723 manufacturer communications on file.

• June 10, 2019•Document ID: 10163237

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

  Mfr Comm. #:

  19NA104

  Date Added:

  July 29, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.

  Associated Products (215)

  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 XTS2019 Chevrolet Blazer2019 Chevrolet Bolt EV2019 Chevrolet Camaro2019 Chevrolet Colorado2019 Chevrolet Corvette2019 Chevrolet Cruze2019 Chevrolet Equinox+ 195 more
  Associated Documents

  • DownloadMC-10163237-0001.pdf↗
• June 6, 2019•Document ID: 10163215

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16NA338

  Date Added:

  July 29, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.

  Associated Products (617)

  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 Cruze2019 Chevrolet Equinox+ 597 more
  Associated Documents

  • DownloadMC-10163215-0001.pdf↗
• June 4, 2019•Document ID: 10162108

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIT5202E

  Date Added:

  July 8, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option Code (M5U) Automatic Transmission, now have Powertrain Grade Braking. Powertrain grade braking assists when driving on a downhill grade to help maintain desired vehicle speed by using the engine and transmission to slow the vehicle.

  Associated Products (55)

  2019 Cadillac Escalade2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Savana2019 GMC Sierra2019 GMC Yukon2018 Cadillac Escalade2018 Chevrolet Express2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Savana2018 GMC Sierra2018 GMC Yukon2017 Cadillac Escalade2017 Chevrolet Express2017 Chevrolet Silverado2017 Chevrolet Suburban+ 35 more
  Associated Documents

  • DownloadMC-10162108-0001.pdf↗
• June 3, 2019•Document ID: 10162106

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5074L

  Date Added:

  July 8, 2019

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.

  Associated Products (605)

  2018 Buick Cascada2018 Buick Enclave2018 Buick Encore2018 Buick Envision2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Cadillac XT52018 Cadillac XTS2018 Chevrolet Aveo2018 Chevrolet Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox+ 585 more
  Associated Documents

  • DownloadMC-10162106-0001.pdf↗
• May 31, 2019•Document ID: 10161969

  Service Bulletin/Repair Instructions
  EQUIPMENT; STRUCTURE

  Mfr Comm. #:

  120851002J

  Date Added:

  July 1, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

  Associated Products (22)

  2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Colorado2018 Chevrolet Silverado2018 GMC Canyon2018 GMC Sierra2017 Chevrolet Colorado2017 Chevrolet Silverado2017 GMC Canyon2017 GMC Sierra2016 Chevrolet Colorado2016 Chevrolet Silverado2016 GMC Canyon2016 GMC Sierra2015 Chevrolet Colorado2015 Chevrolet Silverado2015 GMC Canyon2015 GMC Sierra2014 Chevrolet Silverado2014 GMC Sierra+ 2 more
  Associated Documents

  • DownloadMC-10161969-0001.pdf↗
• May 30, 2019•Document ID: 10161926

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  19NA116

  Date Added:

  July 1, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear.

  Associated Products (42)

  2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon2018 GMC Yukon XL2017 Cadillac Escalade2017 Cadillac Escalade ESV2017 Chevrolet Silverado2017 Chevrolet Suburban+ 22 more
  Associated Documents

  • DownloadMC-10161926-0001.pdf↗
• May 30, 2019•Document ID: 10161903

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  19NA116

  Date Added:

  July 1, 2019

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear.

  Associated Products (42)

  2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon2018 GMC Yukon XL2017 Cadillac Escalade2017 Cadillac Escalade ESV2017 Chevrolet Silverado2017 Chevrolet Suburban+ 22 more
  Associated Documents

  • DownloadMC-10161903-0001.pdf↗
• May 28, 2019•Document ID: 10161047

  Service Bulletin/Repair Instructions
  TRACTION CONTROL SYSTEM; ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  PIP5298B

  Date Added:

  June 10, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. If service information diagnostics have been completed and there is still no trouble found, the technician is to inspect for a possible terminal tension concern on the ignition coil power feed for the cause of the rough running engine and or the P0300.  For the Service Engine Soon light or traction control lamp concern check the X2 connector of the under hood fuse block for poor pin retention.

  Associated Products (32)

  2019 Cadillac Escalade2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL2018 Cadillac Escalade2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon2018 GMC Yukon XL2017 Cadillac Escalade2017 Chevrolet Suburban2017 Chevrolet Tahoe2017 GMC Sierra2017 GMC Yukon2017 GMC Yukon XL2016 Cadillac Escalade2016 Chevrolet Suburban+ 12 more
  Associated Documents

  • DownloadMC-10161047-0001.pdf↗
• May 28, 2019•Document ID: 10161046

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIP5632A

  Date Added:

  June 10, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.

  Associated Products (355)

  2018 Buick Cascada2018 Buick Enclave2018 Buick Encore2018 Buick Envision2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Cadillac XT52018 Cadillac XTS2018 Chevrolet Aveo2018 Chevrolet Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox+ 335 more
  Associated Documents

  • DownloadMC-10161046-0001.pdf↗
• May 21, 2019•Document ID: 10161932

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

  Mfr Comm. #:

  16NA383

  Date Added:

  July 1, 2019

  Manufacturer:

  GMC

  Summary

  This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.

  Associated Products (833)

  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 Bolt EV2019 Chevrolet Camaro2019 Chevrolet Colorado2019 Chevrolet Corvette2019 Chevrolet Cruze+ 813 more
  Associated Documents

  • DownloadMC-10161932-0001.pdf↗
• May 21, 2019•Document ID: 10161881

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  18NA355

  Date Added:

  July 1, 2019

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition.

  Associated Products (47)

  2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Chevrolet Camaro2019 Chevrolet Colorado2019 Chevrolet Corvette2019 GMC Canyon2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Silverado2018 GMC Canyon2018 GMC Sierra2017 Cadillac ATS2017 Cadillac CT62017 Cadillac CTS2017 Cadillac Escalade+ 27 more
  Associated Documents

  • DownloadMC-10161881-0001.pdf↗
• May 20, 2019•Document ID: 10161968

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  080730035D

  Date Added:

  July 1, 2019

  Manufacturer:

  PONTIAC

  Summary

  This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

  Associated Products (617)

  2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Yukon2020 GMC Yukon XL2019 Buick Cascada2019 Buick Enclave2019 Buick Encore2019 Buick Envision2019 Buick LaCrosse2019 Buick Regal2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Cadillac Escalade2019 Cadillac Escalade ESV+ 597 more
  Associated Documents

  • DownloadMC-10161968-0001.pdf↗
• May 20, 2019•Document ID: 10161036

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  PIT5049E

  Date Added:

  June 10, 2019

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. If published Service Information diagnostics do not lead to a repair for the concern. Technician should inspect the opposite side shock/strut for the cause of the concern.

  Associated Products (83)

  2019 Cadillac Escalade2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Yukon2018 Cadillac Escalade2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon2017 Cadillac Escalade2017 Chevrolet Silverado2017 Chevrolet Suburban2017 Chevrolet Tahoe2017 GMC Sierra2017 GMC Yukon2016 Cadillac Escalade2016 Chevrolet Silverado2016 Chevrolet Suburban2016 Chevrolet Tahoe+ 63 more
  Associated Documents

  • DownloadMC-10161036-0001.pdf↗
• May 17, 2019•Document ID: 10161026

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  PIT5685

  Date Added:

  June 10, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates the location that dealers can find information to remove / delete the rear fuel tank from Chassis Cab trucks with RPO N2N dual fuel tanks.

  Associated Products (10)

  2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra2015 Chevrolet Silverado2015 GMC Sierra
  Associated Documents

  • DownloadMC-10161026-0001.pdf↗
• May 16, 2019•Document ID: 10161955

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  19NA108

  Date Added:

  July 1, 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-10161955-0001.pdf↗
• May 15, 2019•Document ID: 10161019

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE

  Mfr Comm. #:

  PIT5551D

  Date Added:

  June 10, 2019

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

  Associated Products (63)

  2019 Buick Enclave2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Cadillac Escalade ESV2019 Cadillac XT52019 Cadillac XTS2019 Chevrolet Bolt EV2019 Chevrolet Equinox2019 Chevrolet Malibu2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 Chevrolet Traverse2019 Chevrolet Volt2019 GMC Acadia2019 GMC Sierra2019 GMC Terrain2019 GMC Yukon2018 Buick Enclave+ 43 more
  Associated Documents

  • DownloadMC-10161019-0001.pdf↗
• May 13, 2019•Document ID: 10161011

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EXTERIOR LIGHTING:HEADLIGHTS

  Mfr Comm. #:

  PIT3219F

  Date Added:

  June 10, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communicates to technicians that the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49).   These vehicles were built with different software that doesn't allow the DRL's or Auto headlamp to be shut off. Canada law prohibits disabling daytime running lamps (DRL's) or auto headlamps.

  Associated Products (113)

  2019 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 Silverado2017 Chevrolet Suburban2017 Chevrolet Tahoe2017 GMC Sierra2017 GMC Yukon2016 Cadillac Escalade2016 Chevrolet Silverado+ 93 more
  Associated Documents

  • DownloadMC-10161011-0001.pdf↗
• May 13, 2019•Document ID: 10161005

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING:HEADLIGHTS

  Mfr Comm. #:

  PIT5412D

  Date Added:

  June 10, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have either the truck or the snowplow's headlights are flickering or inoperative. There may be a diagnostic trouble code B2575 and or a B2699 set in the body control module. Technician will need to contact the snowplow manufacturer for additional information on their headlight changeover system. Technician is to refer to the latest version of the General Motors up-fitter integration bulletin 116 for additional information these circuits. Technician can find this information at http://www.gmupfitter.com/, under the "Technical Bulletin" Tab and then "Show all bulletins."

  Associated Products (12)

  2019 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-10161005-0001.pdf↗
• May 13, 2019•Document ID: 10161004

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  PIT3665G

  Date Added:

  June 10, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

  Associated Products (116)

  2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 GMC Savana2019 GMC Sierra2018 Chevrolet Express2018 Chevrolet Silverado2018 Chevrolet Suburban2018 GMC Savana2018 GMC Sierra2017 Chevrolet Express2017 Chevrolet Silverado2017 Chevrolet Suburban2017 GMC Savana2017 GMC Sierra2016 Chevrolet Express2016 Chevrolet Silverado2016 Chevrolet Suburban2016 GMC Savana2016 GMC Sierra+ 96 more
  Associated Documents

  • DownloadMC-10161004-0001.pdf↗
• May 9, 2019•Document ID: 10161906

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  000310006N

  Date Added:

  July 1, 2019

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).

  Associated Products (561)

  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 Bolt EV2019 Chevrolet Camaro2019 Chevrolet Colorado2019 Chevrolet Corvette2019 Chevrolet Cruze+ 541 more
  Associated Documents

  • DownloadMC-10161906-0001.pdf↗