Chevrolet Blazer Service Bulletins (2020)

856 manufacturer communications on file.

• February 18, 2020•Document ID: 10172323

  Service Bulletin/Repair Instructions
  ENGINE; EQUIPMENT

  Mfr Comm. #:

  PIP5708A

  Date Added:

  March 9, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the technician the vehicle concern of starter flex plate having broken teeth. This can create a noise during starting or may even have the starter spin but not crank over the engine.  The document directs the technician to replace the flex plate and inspect the starter pinion drive teeth and replace starter assembly as needed.

  Associated Products (10)

  2020 Chevrolet Blazer2020 Chevrolet Equinox2020 Chevrolet Impala2020 GMC Acadia2020 GMC Terrain2019 Chevrolet Blazer2019 Chevrolet Equinox2019 Chevrolet Impala2019 GMC Acadia2019 GMC Terrain
  Associated Documents

  • DownloadMC-10172323-0001.pdf↗
• February 14, 2020•Document ID: 10173418

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  150089005C

  Date Added:

  April 6, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).

  Associated Products (246)

  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 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette+ 226 more
  Associated Documents

  • DownloadMC-10173418-0001.pdf↗
• February 14, 2020•Document ID: 10173417

  Service Bulletin/Repair Instructions
  EQUIPMENT; WHEELS

  Mfr Comm. #:

  050307009J

  Date Added:

  April 6, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.

  Associated Products (236)

  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+ 216 more
  Associated Documents

  • DownloadMC-10173417-0001.pdf↗
• February 14, 2020•Document ID: 10172773

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

  Mfr Comm. #:

  16NA119

  Date Added:

  March 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.

  Associated Products (517)

  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 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette+ 497 more
  Associated Documents

  • DownloadMC-10172773-0001.pdf↗
• February 11, 2020•Document ID: 10172655

  Service Bulletin/Repair Instructions
  ENGINE; EQUIPMENT

  Mfr Comm. #:

  N202292220

  Date Added:

  March 23, 2020

  Manufacturer:

  CHEVROLET

  Summary

  Service Update - Certain vehicles may have only two of the three required heat shield fasteners. Dealers are to install the third bolt in the heat shield at the engine compartment.

  Associated Products (1)

  2020 Chevrolet Blazer
  Associated Documents

  • DownloadMC-10172655-0001.pdf↗
• February 7, 2020•Document ID: 10172784

  Service Bulletin/Repair Instructions
  ENGINE; EQUIPMENT

  Mfr Comm. #:

  18NA073

  Date Added:

  March 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

  Associated Products (245)

  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 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Equinox+ 225 more
  Associated Documents

  • DownloadMC-10172784-0001.pdf↗
• February 4, 2020•Document ID: 10172304

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIT5411S

  Date Added:

  March 9, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.

  Associated Products (19)

  2020 Buick Enclave2020 Cadillac CT42020 Cadillac CT52020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Sonic2020 Chevrolet Traverse2020 Chevrolet Trax2020 GMC Acadia2020 GMC Canyon2020 GMC Sierra2020 GMC Terrain
  Associated Documents

  • DownloadMC-10172304-0001.pdf↗
• January 31, 2020•Document ID: 10171319

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5708

  Date Added:

  February 10, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the technician the vehicle concern of starter flex plate having broken teeth. The can create a noise during starting or may even have the starter spin but not crank over the engine.  The document directs the technician to replace the flex plate and the starter assembly.

  Associated Products (14)

  2020 Chevrolet Blazer2020 Chevrolet Colorado2020 Chevrolet Equinox2020 Chevrolet Impala2020 GMC Acadia2020 GMC Canyon2020 GMC Terrain2019 Chevrolet Blazer2019 Chevrolet Colorado2019 Chevrolet Equinox2019 Chevrolet Impala2019 GMC Acadia2019 GMC Canyon2019 GMC Terrain
  Associated Documents

  • DownloadMC-10171319-0001.pdf↗
• January 29, 2020•Document ID: 10172294

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  110089002D

  Date Added:

  March 9, 2020

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

  Associated Products (245)

  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 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Equinox+ 225 more
  Associated Documents

  • DownloadMC-10172294-0001.pdf↗
• January 27, 2020•Document ID: 10172293

  Service Bulletin/Repair Instructions
  EQUIPMENT; WHEELS

  Mfr Comm. #:

  050307009I

  Date Added:

  March 9, 2020

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.

  Associated Products (640)

  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+ 620 more
  Associated Documents

  • DownloadMC-10172293-0001.pdf↗
• January 23, 2020•Document ID: 10171875

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

  Mfr Comm. #:

  15NA010

  Date Added:

  March 2, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.

  Associated Products (234)

  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 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox+ 214 more
  Associated Documents

  • DownloadMC-10171875-0001.pdf↗
• January 23, 2020•Document ID: 10171302

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  PIP5704

  Date Added:

  February 10, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.

  Associated Products (33)

  2020 Buick Enclave2020 Buick Envision2020 Buick Regal2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Traverse2020 GMC Acadia2020 GMC Terrain2019 Buick Enclave2019 Buick Envision2019 Buick LaCrosse2019 Buick Regal2019 Cadillac XT42019 Chevrolet Blazer2019 Chevrolet Cruze2019 Chevrolet Equinox+ 13 more
  Associated Documents

  • DownloadMC-10171302-0001.pdf↗
• January 23, 2020•Document ID: 10171300

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5411R

  Date Added:

  February 10, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.

  Associated Products (19)

  2020 Buick Enclave2020 Cadillac CT42020 Cadillac CT52020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Sonic2020 Chevrolet Traverse2020 Chevrolet Trax2020 GMC Acadia2020 GMC Canyon2020 GMC Sierra2020 GMC Terrain
  Associated Documents

  • DownloadMC-10171300-0001.pdf↗
• January 22, 2020•Document ID: 10171887

  Service Bulletin/Repair Instructions
  LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR

  Mfr Comm. #:

  18NA279

  Date Added:

  March 2, 2020

  Manufacturer:

  BUICK

  Summary

  This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

  Associated Products (45)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Spark2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 Chevrolet Traverse2020 Chevrolet Trax+ 25 more
  Associated Documents

  • DownloadMC-10171887-0001.pdf↗
• January 21, 2020•Document ID: 10172285

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  20NA016

  Date Added:

  March 9, 2020

  Manufacturer:

  BUICK

  Summary

  This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.

  Associated Products (412)

  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 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette+ 392 more
  Associated Documents

  • DownloadMC-10172285-0001.pdf↗
• January 17, 2020•Document ID: 10171888

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

  Mfr Comm. #:

  18NA306

  Date Added:

  March 2, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).

  Associated Products (372)

  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 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette+ 352 more
  Associated Documents

  • DownloadMC-10171888-0001.pdf↗
• January 13, 2020•Document ID: 10172292

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  030846004W

  Date Added:

  March 9, 2020

  Manufacturer:

  GMC

  Summary

  This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only).

  Associated Products (19)

  2020 Buick Enclave2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Spark2020 Chevrolet Traverse2020 GMC Acadia2020 GMC Sierra2020 GMC Terrain
  Associated Documents

  • DownloadMC-10172292-0001.pdf↗
• January 8, 2020•Document ID: 10171260

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5697

  Date Added:

  February 10, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.

  Associated Products (34)

  2020 Buick Enclave2020 Buick Envision2020 Buick Regal2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Traverse2020 GMC Acadia2020 GMC Terrain2019 Buick Enclave2019 Buick Envision2019 Buick LaCrosse2019 Buick Regal2019 Cadillac XT42019 Chevrolet Blazer2019 Chevrolet Cruze2019 Chevrolet Equinox+ 14 more
  Associated Documents

  • DownloadMC-10171260-0001.pdf↗
• January 6, 2020•Document ID: 10171893

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:HORN

  Mfr Comm. #:

  19NA160

  Date Added:

  March 2, 2020

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Intermittent or Continuous Horn Blowing, Horn Activation Sensitive to the Touch.

  Associated Products (8)

  2020 Cadillac XT42020 Chevrolet Blazer2020 Chevrolet Silverado2020 GMC Sierra2019 Cadillac XT42019 Chevrolet Blazer2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10171893-0001.pdf↗
• January 2, 2020•Document ID: 10171878

  Service Bulletin/Repair Instructions
  EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  16NA383

  Date Added:

  March 2, 2020

  Manufacturer:

  PONTIAC

  Summary

  This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.

  Associated Products (964)

  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 35002020 Chevrolet 4500HD2020 Chevrolet 4500XD2020 Chevrolet 5500HD2020 Chevrolet 5500XD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro+ 944 more
  Associated Documents

  • DownloadMC-10171878-0001.pdf↗