Chevrolet Trailblazer Service Bulletins

2,563 manufacturer communications on file.

• August 8, 2018•Document ID: 10144451

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5163D

  Date Added:

  September 17, 2018

  Manufacturer:

  PONTIAC

  Summary

  This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.

  Associated Products (799)

  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+ 779 more
  Associated Documents

  • DownloadMC-10144451-0001.pdf↗
• July 9, 2018•Document ID: 10143758

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL; EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  PIC6095C

  Date Added:

  August 20, 2018

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. There are pictures of all the individual modules for identification purposes.

  Associated Products (233)

  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+ 213 more
  Associated Documents

  • DownloadMC-10143758-0001.pdf↗
• July 9, 2018•Document ID: 10143757

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

  Mfr Comm. #:

  PIP3366C

  Date Added:

  August 20, 2018

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low operation.

  Associated Products (187)

  2019 Chevrolet Silverado2018 Cadillac Escalade2018 Chevrolet Colorado2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Canyon2018 GMC Sierra2018 GMC Yukon2017 Cadillac Escalade2017 Chevrolet Colorado2017 Chevrolet Silverado2017 Chevrolet Suburban2017 Chevrolet Tahoe2017 GMC Canyon2017 GMC Sierra2017 GMC Yukon2016 Cadillac Escalade2016 Chevrolet Colorado2016 Chevrolet Silverado+ 167 more
  Associated Documents

  • DownloadMC-10143757-0001.pdf↗
• July 3, 2018•Document ID: 10143752

  Service Bulletin/Repair Instructions
  VISIBILITY:SUN/MOON ROOF ASSEMBLY

  Mfr Comm. #:

  PIC5260B

  Date Added:

  August 20, 2018

  Manufacturer:

  PONTIAC

  Summary

  This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.

  Associated Products (595)

  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+ 575 more
  Associated Documents

  • DownloadMC-10143752-0001.pdf↗
• June 20, 2018•Document ID: 10143449

  Service Bulletin/Repair Instructions
  EQUIPMENT:APPLIANCE:AIR CONDITIONER

  Mfr Comm. #:

  PIT5099C

  Date Added:

  August 6, 2018

  Manufacturer:

  SATURN

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

  Associated Products (799)

  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+ 779 more
  Associated Documents

  • DownloadMC-10143449-0001.pdf↗
• June 14, 2018•Document ID: 10143443

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

  Mfr Comm. #:

  PIC5953D

  Date Added:

  August 6, 2018

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.

  Associated Products (353)

  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+ 333 more
  Associated Documents

  • DownloadMC-10143443-0001.pdf↗
• June 11, 2018•Document ID: 10143429

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  PIP5373B

  Date Added:

  August 6, 2018

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may need to be contacted to resolve the issue.

  Associated Products (124)

  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+ 104 more
  Associated Documents

  • DownloadMC-10143429-0001.pdf↗
• May 31, 2018•Document ID: 10141381

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT

  Mfr Comm. #:

  PIC4696C

  Date Added:

  June 18, 2018

  Manufacturer:

  PONTIAC

  Summary

  This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.

  Associated Products (311)

  2002 Buick Century2002 Buick LeSabre2002 Buick Park Avenue2002 Buick Regal2002 Buick Rendezvous2002 Cadillac Deville2002 Cadillac Eldorado2002 Cadillac Escalade2002 Cadillac Seville2002 Chevrolet Avalanche2002 Chevrolet Blazer2002 Chevrolet Camaro2002 Chevrolet Cavalier2002 Chevrolet Corvette2002 Chevrolet Express2002 Chevrolet Impala2002 Chevrolet Lumina2002 Chevrolet Malibu2002 Chevrolet Monte Carlo2002 Chevrolet Silverado+ 291 more
  Associated Documents

  • DownloadMC-10141381-0001.pdf↗
• May 23, 2018•Document ID: 10141371

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5399A

  Date Added:

  June 18, 2018

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.

  Associated Products (817)

  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 Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Express+ 797 more
  Associated Documents

  • DownloadMC-10141371-0001.pdf↗
• April 27, 2018•Document ID: 10137599

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  18NA141

  Date Added:

  May 21, 2018

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic.

  Associated Products (200)

  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 Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Express+ 180 more
  Associated Documents

  • DownloadMC-10137599-0001.pdf↗
• April 26, 2018•Document ID: 10137598

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  18NA138

  Date Added:

  May 21, 2018

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.

  Associated Products (39)

  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 Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Express+ 19 more
  Associated Documents

  • DownloadMC-10137598-0001.pdf↗
• April 18, 2018•Document ID: 10137570

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  17NA269

  Date Added:

  May 21, 2018

  Manufacturer:

  GMC

  Summary

  This Technical bulletin provides information on new software to correct the rear camera display being too bright.

  Associated Products (16)

  2018 Chevrolet Colorado2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 Chevrolet Trailblazer2018 GMC Canyon2018 GMC Sierra2018 GMC Terrain2018 GMC Yukon2018 GMC Yukon XL2017 Chevrolet Silverado2017 Chevrolet Suburban2017 Chevrolet Tahoe2017 GMC Sierra2017 GMC Yukon2017 GMC Yukon XL
  Associated Documents

  • DownloadMC-10137570-0001.pdf↗
• April 13, 2018•Document ID: 10137562

  Service Bulletin/Repair Instructions
  VISIBILITY:GLASS, SIDE/REAR

  Mfr Comm. #:

  PI0754C

  Date Added:

  May 21, 2018

  Manufacturer:

  CHEVROLET

  Summary

  This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal characteristic.

  Associated Products (350)

  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 Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Express+ 330 more
  Associated Documents

  • DownloadMC-10137562-0001.pdf↗
• April 9, 2018•Document ID: 10137554

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  080730035C

  Date Added:

  May 21, 2018

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (570)

  2019 Chevrolet Corvette2018 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 Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox+ 550 more
  Associated Documents

  • DownloadMC-10137554-0001.pdf↗
• April 6, 2018•Document ID: 10137560

  Service Bulletin/Repair Instructions
  STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

  Mfr Comm. #:

  PI0281G

  Date Added:

  May 21, 2018

  Manufacturer:

  BUICK

  Summary

  This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

  Associated Products (392)

  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 Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Express+ 372 more
  Associated Documents

  • DownloadMC-10137560-0001.pdf↗
• April 3, 2018•Document ID: 10137557

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  130089010B

  Date Added:

  May 21, 2018

  Manufacturer:

  BUICK

  Summary

  This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program.

  Associated Products (435)

  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 Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Express+ 415 more
  Associated Documents

  • DownloadMC-10137557-0001.pdf↗
• March 28, 2018•Document ID: 10137383

  Service Bulletin/Repair Instructions
  ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  060089031E

  Date Added:

  May 21, 2018

  Manufacturer:

  BUICK

  Summary

  This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.

  Associated Products (353)

  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 Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Express+ 333 more
  Associated Documents

  • DownloadMC-10137383-0001.pdf↗
• March 16, 2018•Document ID: 10137380

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  000089027J

  Date Added:

  May 21, 2018

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information to dealership personnel on properly eliminating unwanted odors in vehicles.

  Associated Products (334)

  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 Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Express+ 314 more
  Associated Documents

  • DownloadMC-10137380-0001.pdf↗
• March 8, 2018•Document ID: 10137301

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

  Mfr Comm. #:

  18NA073

  Date Added:

  May 21, 2018

  Manufacturer:

  CHEVROLET

  Summary

  This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement.

  Associated Products (162)

  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 Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Express+ 142 more
  Associated Documents

  • DownloadMC-10137301-0001.pdf↗
• March 7, 2018•Document ID: 10137382

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

  Mfr Comm. #:

  030089006P

  Date Added:

  May 21, 2018

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.

  Associated Products (521)

  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 Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Express+ 501 more
  Associated Documents

  • DownloadMC-10137382-0001.pdf↗