Buick LaCrosse Service Bulletins

3,361 manufacturer communications on file.

• March 15, 2019•Document ID: 10158863

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

  Mfr Comm. #:

  100845001F

  Date Added:

  April 22, 2019

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (729)

  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+ 709 more
  Associated Documents

  • DownloadMC-10158863-0001.pdf↗
• March 14, 2019•Document ID: 10159556

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  N182200080

  Date Added:

  May 13, 2019

  Manufacturer:

  BUICK

  Summary

  N182200080 - Service Update. Certain vehicles may have a condition in which the selectable one-way clutch is not released or is stuck on. The vehicle may have a hesitation or decreased acceleration, the Check Engine Light may appear and DTC P2731 may also set. Dealers will reprogram the transmission control module.

  Associated Products (3)

  2019 Buick Enclave2019 Buick LaCrosse2019 Cadillac XT4
  Associated Documents

  • DownloadMC-10159556-0001.pdf↗
• March 14, 2019•Document ID: 10158862

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

  Mfr Comm. #:

  090089002Q

  Date Added:

  April 22, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.

  Associated Products (341)

  2020 Cadillac CT62020 Cadillac XT52020 Cadillac XT62020 Chevrolet Silverado2019 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 EV+ 321 more
  Associated Documents

  • DownloadMC-10158862-0001.pdf↗
• March 14, 2019•Document ID: 10158780

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  16NA051

  Date Added:

  April 22, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative.

  Associated Products (7)

  2019 Buick LaCrosse2019 Chevrolet Malibu2018 Buick LaCrosse2018 Chevrolet Malibu2017 Buick LaCrosse2017 Chevrolet Malibu2016 Chevrolet Malibu
  Associated Documents

  • DownloadMC-10158780-0001.pdf↗
• March 13, 2019•Document ID: 10156929

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIP5632

  Date Added:

  April 8, 2019

  Manufacturer:

  CADILLAC

  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 (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-10156929-0001.pdf↗
• March 11, 2019•Document ID: 10158865

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

  Mfr Comm. #:

  110849001Z

  Date Added:

  April 22, 2019

  Manufacturer:

  BUICK

  Summary

  This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.

  Associated Products (192)

  2020 Cadillac XT62019 Buick Cascada2019 Buick Envision2019 Buick LaCrosse2019 Buick Regal2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Cadillac XT52019 Cadillac XTS2019 Chevrolet Bolt EV2019 Chevrolet Colorado2019 Chevrolet Cruze2019 Chevrolet Equinox2019 Chevrolet Impala2019 Chevrolet Malibu2019 Chevrolet Silverado2019 Chevrolet Spark2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 Chevrolet Volt+ 172 more
  Associated Documents

  • DownloadMC-10158865-0001.pdf↗
• March 11, 2019•Document ID: 10158828

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  18NA358

  Date Added:

  April 22, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to replace the upper and lower valve body housings to correct the customer concern of launch shudder.

  Associated Products (42)

  2018 Chevrolet Impala2018 GMC Acadia2017 Buick Enclave2017 Buick Regal2017 Cadillac XTS2017 Chevrolet Equinox2017 Chevrolet Impala2017 Chevrolet Traverse2017 GMC Acadia2017 GMC Terrain2016 Buick Enclave2016 Buick LaCrosse2016 Buick Regal2016 Cadillac SRX2016 Cadillac XTS2016 Chevrolet Equinox2016 Chevrolet Impala2016 Chevrolet Traverse2016 GMC Acadia2016 GMC Terrain+ 22 more
  Associated Documents

  • DownloadMC-10158828-0001.pdf↗
• March 8, 2019•Document ID: 10156916

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIP4902L

  Date Added:

  April 8, 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 (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-10156916-0001.pdf↗
• March 7, 2019•Document ID: 10158858

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

  Mfr Comm. #:

  050604022P

  Date Added:

  April 22, 2019

  Manufacturer:

  CHEVROLET

  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 (464)

  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+ 444 more
  Associated Documents

  • DownloadMC-10158858-0001.pdf↗
• March 5, 2019•Document ID: 10158860

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

  Mfr Comm. #:

  060605001H

  Date Added:

  April 22, 2019

  Manufacturer:

  GMC

  Summary

  This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode.

  Associated Products (117)

  2019 Chevrolet Camaro2019 Chevrolet Impala2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL2018 Chevrolet Camaro2018 Chevrolet Impala2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon2018 GMC Yukon XL2017 Chevrolet Camaro2017 Chevrolet Impala2017 Chevrolet Silverado2017 Chevrolet Suburban+ 97 more
  Associated Documents

  • DownloadMC-10158860-0001.pdf↗
• March 1, 2019•Document ID: 10158838

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  19NA044

  Date Added:

  April 22, 2019

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on a normal engine operating condition for faster emission warm up time.

  Associated Products (456)

  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+ 436 more
  Associated Documents

  • DownloadMC-10158838-0001.pdf↗
• March 1, 2019•Document ID: 10158824

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18NA337

  Date Added:

  April 22, 2019

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides a procedure to install an oil pump if found the cause of the noise from the engine area.

  Associated Products (11)

  2017 Buick LaCrosse2017 Cadillac ATS2017 Cadillac CT62017 Cadillac CTS2017 Cadillac XT52017 Chevrolet Camaro2017 GMC Acadia2016 Cadillac ATS2016 Cadillac CT62016 Cadillac CTS2016 Chevrolet Camaro
  Associated Documents

  • DownloadMC-10158824-0001.pdf↗
• February 28, 2019•Document ID: 10154638

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16NA338

  Date Added:

  March 18, 2019

  Manufacturer:

  BUICK

  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 (620)

  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 Camaro2019 Chevrolet Colorado2019 Chevrolet Corvette2019 Chevrolet Cruze2019 Chevrolet Equinox2019 Chevrolet Express+ 600 more
  Associated Documents

  • DownloadMC-10154638-0001.pdf↗
• February 27, 2019•Document ID: 10154328

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  PIP5568E

  Date Added:

  March 11, 2019

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024). Revised to include the possibility of setting in pairs and some drivability concerns.

  Associated Products (16)

  2018 Buick Enclave2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac XT52018 Chevrolet Traverse2017 Buick LaCrosse2017 Cadillac ATS2017 Cadillac CT62017 Cadillac CTS2017 Cadillac XT52016 Cadillac ATS2016 Cadillac CT62016 Cadillac CTS
  Associated Documents

  • DownloadMC-10154328-0001.pdf↗
• February 26, 2019•Document ID: 10155073

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  120089002C

  Date Added:

  March 25, 2019

  Manufacturer:

  BUICK

  Summary

  This informational bulletin provides the dealer with information on what to do when requesting a new key code for the customer.

  Associated Products (516)

  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+ 496 more
  Associated Documents

  • DownloadMC-10155073-0001.pdf↗
• February 22, 2019•Document ID: 10154316

  Service Bulletin/Repair Instructions
  HYBRID PROPULSION SYSTEM

  Mfr Comm. #:

  PIT5513J

  Date Added:

  March 11, 2019

  Manufacturer:

  BUICK

  Summary

  This Preliminary Information communication advises the technician that the Technical Assistance Center   TAC has a part restriction that has ended for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Control Module 1 and 2, Drive Motor Generator Battery Cooling Blower .

  Associated Products (8)

  2019 Buick LaCrosse2018 Buick LaCrosse2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra
  Associated Documents

  • DownloadMC-10154316-0001.pdf↗
• February 19, 2019•Document ID: 10154309

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  PIC4996B

  Date Added:

  March 11, 2019

  Manufacturer:

  BUICK

  Summary

  This PI offers diagnostic tips to a technician when diagnosing a possible fuel level sensor concern. The tech is advised to ohm test the sensor at the terminals located on top of the fuel module while performing a sweep test. If the test fails the technician is instructed to replace the sensor and then perform the sweep test again. If the test passes the technician is instructed to reinstall the fuel module in the tank and if the test fails with the new sensor the technician is advised to replace the fuel module.

  Associated Products (35)

  2019 Buick LaCrosse2019 Chevrolet Impala2018 Buick LaCrosse2018 Chevrolet Impala2017 Buick LaCrosse2017 Chevrolet Impala2016 Buick LaCrosse2016 Chevrolet Impala2015 Buick LaCrosse2015 Chevrolet Impala2014 Buick LaCrosse2014 Chevrolet Impala2013 Buick LaCrosse2013 Chevrolet Impala2012 Buick LaCrosse2012 Chevrolet Impala2011 Buick LaCrosse2011 Chevrolet Impala2010 Buick LaCrosse2010 Chevrolet Impala+ 15 more
  Associated Documents

  • DownloadMC-10154309-0001.pdf↗
• February 19, 2019•Document ID: 10154308

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

  Mfr Comm. #:

  PIT4945H

  Date Added:

  March 11, 2019

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician being unable to program fobs to the vehicle. Technician will need to ensure the key FOB is a new unit and has not been programmed to another vehicle previously.

  Associated Products (121)

  2019 Cadillac XT42018 Buick Encore2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS2018 Cadillac XTS2018 Chevrolet Camaro2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Malibu2018 Chevrolet Sonic2018 Chevrolet Spark2018 Chevrolet Trax2018 Chevrolet Volt2018 GMC Terrain2017 Buick Encore2017 Buick LaCrosse2017 Buick Regal2017 Buick Verano2017 Cadillac ATS+ 101 more
  Associated Documents

  • DownloadMC-10154308-0001.pdf↗
• February 19, 2019•Document ID: 10154306

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5540D

  Date Added:

  March 11, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.

  Associated Products (813)

  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+ 793 more
  Associated Documents

  • DownloadMC-10154306-0001.pdf↗
• February 19, 2019•Document ID: 10154305

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5528A

  Date Added:

  March 11, 2019

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the identification process for High Feature V6 camshafts in re-manufactured engines.

  Associated Products (135)

  2019 Cadillac XTS2019 Chevrolet Impala2018 Cadillac XTS2018 Chevrolet Impala2017 Buick Enclave2017 Cadillac XTS2017 Chevrolet Equinox2017 Chevrolet Impala2017 Chevrolet Traverse2017 GMC Acadia2016 Buick Enclave2016 Buick LaCrosse2016 Cadillac CTS2016 Cadillac SRX2016 Cadillac XTS2016 Chevrolet Colorado2016 Chevrolet Equinox2016 Chevrolet Impala2016 Chevrolet Traverse2016 GMC Acadia+ 115 more
  Associated Documents

  • DownloadMC-10154305-0001.pdf↗