Buick LaCrosse Service Bulletins (2019)

696 manufacturer communications on file.

• 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 10, 2020•Document ID: 10173419

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

  Mfr Comm. #:

  PIE0540A

  Date Added:

  April 6, 2020

  Manufacturer:

  GMC

  Summary

  This engineering Information (EI) ends the need for information from the field for a condition of oil leaking from the valve rocker arm oil control valve. If a vehicle is encountered with this condition, refer to SI for further diagnosis.

  Associated Products (12)

  2019 Buick LaCrosse2019 Chevrolet Blazer2018 Buick LaCrosse2017 Buick LaCrosse2017 Cadillac XT52017 Chevrolet Colorado2017 GMC Acadia2017 GMC Canyon2016 Cadillac ATS2016 Cadillac CT62016 Cadillac CTS2016 Chevrolet Camaro
  Associated Documents

  • DownloadMC-10173419-0001.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↗
• 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 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 22, 2020•Document ID: 10171876

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

  Mfr Comm. #:

  16NA051

  Date Added:

  March 2, 2020

  Manufacturer:

  BUICK

  Summary

  This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement to correct a MIL Illuminated with DTCs and 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-10171876-0001.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: 10171270

  Service Bulletin/Repair Instructions
  STEERING; LANE DEPARTURE

  Mfr Comm. #:

  PIC6048M

  Date Added:

  February 10, 2020

  Manufacturer:

  BUICK

  Summary

  This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering.  This means that the driver should also feel some feedback from the steering wheel.  No Chimes or haptic in the seat. Lane Keep Assist icon is flashing amber; Forward Camera Module is actively commanding torque to Electronic Power Steering.  This will also be accompanied with Lane Departure Warning chimes and haptic in the seat feedback based on the setting chosen in the vehicle settings.  This will take place when the vehicle has crossed lane marking by (40 cm) or (15.75 in).

  Associated Products (51)

  2020 Buick Enclave2020 Buick Envision2020 Cadillac CT62020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Equinox2020 Chevrolet Traverse2020 GMC Acadia2020 GMC Terrain2019 Buick Enclave2019 Buick Envision2019 Buick LaCrosse2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Cadillac XT42019 Cadillac XT52019 Cadillac XTS2019 Chevrolet Equinox+ 31 more
  Associated Documents

  • DownloadMC-10171270-0001.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 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↗
• December 19, 2019•Document ID: 10170484

  Service Bulletin/Repair Instructions
  LANE DEPARTURE

  Mfr Comm. #:

  PIC6048L

  Date Added:

  January 21, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering.  This means that the driver should also feel some feedback from the steering wheel.  No Chimes or haptic in the seat. Lane Keep Assist icon is flashing amber; Forward Camera Module is actively commanding torque to Electronic Power Steering.  This will also be accompanied with Lane Departure Warning chimes and haptic in the seat feedback based on the setting chosen in the vehicle settings.  This will take place when the vehicle has crossed lane marking by (40 cm) or (15.75 in).

  Associated Products (50)

  2020 Buick Enclave2020 Buick Envision2020 Cadillac CT62020 Cadillac XT42020 Cadillac XT52020 Chevrolet Equinox2020 Chevrolet Traverse2020 GMC Acadia2020 GMC Terrain2019 Buick Enclave2019 Buick Envision2019 Buick LaCrosse2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Cadillac XT42019 Cadillac XT52019 Cadillac XTS2019 Chevrolet Equinox2019 Chevrolet Traverse+ 30 more
  Associated Documents

  • DownloadMC-10170484-0001.pdf↗
• December 12, 2019•Document ID: 10170498

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PI0592F

  Date Added:

  January 21, 2020

  Manufacturer:

  SATURN

  Summary

  This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, 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-10170498-0001.pdf↗
• November 26, 2019•Document ID: 10169357

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  100089009D

  Date Added:

  December 16, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.

  Associated Products (775)

  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 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox+ 755 more
  Associated Documents

  • DownloadMC-10169357-0001.pdf↗
• November 25, 2019•Document ID: 10169362

  Service Bulletin/Repair Instructions
  EQUIPMENT; STEERING; WHEELS

  Mfr Comm. #:

  PIE0539B

  Date Added:

  December 16, 2019

  Manufacturer:

  BUICK

  Summary

  This engineering information (EI) closure ends the need for information from the field on a stick-slip type condition felt in steering wheel at highway speeds. If a vehicle is encountered with the this condition, refer to SI for further diagnosis.

  Associated Products (10)

  2019 Buick LaCrosse2019 Buick Regal2019 Cadillac XT42019 Chevrolet Malibu2018 Buick LaCrosse2018 Buick Regal2018 Chevrolet Malibu2017 Buick LaCrosse2017 Chevrolet Malibu2016 Chevrolet Malibu
  Associated Documents

  • DownloadMC-10169362-0001.pdf↗
• November 25, 2019•Document ID: 10169355

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

  Mfr Comm. #:

  080089014F

  Date Added:

  December 16, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).

  Associated Products (449)

  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 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox+ 429 more
  Associated Documents

  • DownloadMC-10169355-0001.pdf↗
• November 18, 2019•Document ID: 10169341

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

  Mfr Comm. #:

  19NA256

  Date Added:

  December 16, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.

  Associated Products (181)

  2020 Buick Enclave2020 Buick Regal2020 Cadillac CT62020 Cadillac XT52020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Impala2020 Chevrolet Traverse2020 GMC Acadia2020 GMC Canyon2019 Buick Enclave2019 Buick LaCrosse2019 Buick Regal2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Cadillac XT52019 Cadillac XTS2019 Chevrolet Camaro2019 Chevrolet Colorado+ 161 more
  Associated Documents

  • DownloadMC-10169341-0001.pdf↗