GMC Sierra Service Bulletins (2020)

1,991 manufacturer communications on file.

• September 4, 2019•Document ID: 10165865

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  PIT5481E

  Date Added:

  October 15, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.

  Associated Products (51)

  2020 Buick Enclave2020 Buick Envision2020 Cadillac Escalade ESV2020 Cadillac XT42020 Chevrolet Blazer2020 Chevrolet Equinox2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon XL2019 Buick Enclave2019 Buick Envision2019 Cadillac Escalade ESV2019 Cadillac XT42019 Chevrolet Blazer2019 Chevrolet Equinox2019 Chevrolet Silverado+ 31 more
  Associated Documents

  • DownloadMC-10165865-0001.pdf↗
• September 4, 2019•Document ID: 10165863

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5673

  Date Added:

  October 15, 2019

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates advises the technician that the ECM part number will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.

  Associated Products (8)

  2020 Cadillac CT62020 Cadillac XT42020 Chevrolet Silverado2020 GMC Sierra2019 Cadillac CT62019 Cadillac XT42019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10165863-0001.pdf↗
• September 3, 2019•Document ID: 10165861

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIP5664A

  Date Added:

  October 15, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P11D5, P226D, P249E, P249D, P20EE or P226D while engineering is investigating.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10165861-0001.pdf↗
• August 30, 2019•Document ID: 10164791

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5637B

  Date Added:

  September 16, 2019

  Manufacturer:

  GMC

  Summary

  The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. The dealer technician is advised to call the GM Product Quality Center for further assistance

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10164791-0001.pdf↗
• August 29, 2019•Document ID: 10165125

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  100310001E

  Date Added:

  September 23, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on Wheel Balancer Mounting Instructions.

  Associated Products (20)

  2020 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 Sierra2013 Chevrolet Silverado2013 GMC Sierra2012 Chevrolet Silverado2012 GMC Sierra2011 Chevrolet Silverado2011 GMC Sierra
  Associated Documents

  • DownloadMC-10165125-0001.pdf↗
• August 28, 2019•Document ID: 10165111

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:DIESEL

  Mfr Comm. #:

  19NA180

  Date Added:

  September 23, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This New Engine Features Bulletin provides General Information to help the Service Personnel become familiar with the Duramax Diesel 3.0L - RPO LM2.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10165111-0001.pdf↗
• August 27, 2019•Document ID: 10165117

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19NA188

  Date Added:

  September 23, 2019

  Manufacturer:

  GMC

  Summary

  The informational bulletin explains the normal noises that are emitted from the engine once the engine is turned off.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10165117-0001.pdf↗
• August 27, 2019•Document ID: 10164786

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:DIESEL

  Mfr Comm. #:

  PIP5670

  Date Added:

  September 16, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information communicates the part restriction for the diesel turbocharger and EGR components

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10164786-0001.pdf↗
• August 26, 2019•Document ID: 10165080

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

  Mfr Comm. #:

  16NA380

  Date Added:

  September 23, 2019

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.

  Associated Products (75)

  2020 Chevrolet Colorado2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Savana2020 GMC Sierra2020 GMC Terrain2019 Chevrolet Colorado2019 Chevrolet Cruze2019 Chevrolet Equinox2019 Chevrolet Express2019 Chevrolet Silverado2019 GMC Canyon2019 GMC Savana2019 GMC Sierra2019 GMC Terrain2018 Chevrolet Colorado2018 Chevrolet Cruze2018 Chevrolet Equinox+ 55 more
  Associated Documents

  • DownloadMC-10165080-0001.pdf↗
• August 26, 2019•Document ID: 10164785

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

  Mfr Comm. #:

  PIP5667

  Date Added:

  September 16, 2019

  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-10164785-0001.pdf↗
• August 23, 2019•Document ID: 10165127

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PI0592E

  Date Added:

  September 23, 2019

  Manufacturer:

  PONTIAC

  Summary

  This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961).

  Associated Products (591)

  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 Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Impala+ 571 more
  Associated Documents

  • DownloadMC-10165127-0001.pdf↗
• August 23, 2019•Document ID: 10165116

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19NA187

  Date Added:

  September 23, 2019

  Manufacturer:

  GMC

  Summary

  This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.

  Associated Products (7)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado
  Associated Documents

  • DownloadMC-10165116-0001.pdf↗
• August 23, 2019•Document ID: 10165087

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA146

  Date Added:

  September 23, 2019

  Manufacturer:

  GMC

  Summary

  This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).

  Associated Products (406)

  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+ 386 more
  Associated Documents

  • DownloadMC-10165087-0001.pdf↗
• August 23, 2019•Document ID: 10164782

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  PIP5669

  Date Added:

  September 16, 2019

  Manufacturer:

  GMC

  Summary

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

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10164782-0001.pdf↗
• August 21, 2019•Document ID: 10165124

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  090604026R

  Date Added:

  September 23, 2019

  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 (319)

  2020 Buick Enclave2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Express2020 Chevrolet Impala2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse+ 299 more
  Associated Documents

  • DownloadMC-10165124-0001.pdf↗
• August 21, 2019•Document ID: 10164777

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5668

  Date Added:

  September 16, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer technician the coolant control valve is on restriction.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10164777-0001.pdf↗
• August 20, 2019•Document ID: 10165084

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  17NA276

  Date Added:

  September 23, 2019

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic of the vehicle in demo mode.

  Associated Products (38)

  2020 Buick Enclave2020 Buick Regal2020 Cadillac CT62020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Traverse2020 GMC Acadia2020 GMC Canyon2020 GMC Sierra2020 GMC Terrain2019 Buick Regal2019 Cadillac ATS2019 Cadillac CT6+ 18 more
  Associated Documents

  • DownloadMC-10165084-0001.pdf↗
• August 19, 2019•Document ID: 10165126

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  130089008B

  Date Added:

  September 23, 2019

  Manufacturer:

  PONTIAC

  Summary

  This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC.

  Associated Products (455)

  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+ 435 more
  Associated Documents

  • DownloadMC-10165126-0001.pdf↗
• August 15, 2019•Document ID: 10165138

  Service Bulletin/Repair Instructions
  VISIBILITY

  Mfr Comm. #:

  PIE0532

  Date Added:

  September 23, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to gathering information for the power outside folding mirror with the conditions of having shakes, clicking and/or noisy while folding or loose between the mirror head and mirror base.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10165138-0001.pdf↗
• August 15, 2019•Document ID: 10165121

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  000601026M

  Date Added:

  September 23, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

  Associated Products (421)

  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 Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Impala+ 401 more
  Associated Documents

  • DownloadMC-10165121-0001.pdf↗