Buick LaCrosse Service Bulletins (2018)

992 manufacturer communications on file.

• October 16, 2019•Document ID: 10168207

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

  Mfr Comm. #:

  100089006G

  Date Added:

  November 25, 2019

  Manufacturer:

  PONTIAC

  Summary

  This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).

  Associated Products (811)

  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+ 791 more
  Associated Documents

  • DownloadMC-10168207-0001.pdf↗
• October 14, 2019•Document ID: 10168175

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16NA338

  Date Added:

  November 25, 2019

  Manufacturer:

  CHEVROLET

  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 (660)

  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 Impala2020 Chevrolet Malibu+ 640 more
  Associated Documents

  • DownloadMC-10168175-0001.pdf↗
• October 14, 2019•Document ID: 10167437

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5540E

  Date Added:

  November 12, 2019

  Manufacturer:

  BUICK

  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 (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-10167437-0001.pdf↗
• October 10, 2019•Document ID: 10167434

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5601A

  Date Added:

  November 12, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.

  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-10167434-0001.pdf↗
• October 9, 2019•Document ID: 10168208

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

  Mfr Comm. #:

  100089009C

  Date Added:

  November 25, 2019

  Manufacturer:

  GMC

  Summary

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

  Associated Products (772)

  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+ 752 more
  Associated Documents

  • DownloadMC-10168208-0001.pdf↗
• October 9, 2019•Document ID: 10168205

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  010601011K

  Date Added:

  November 25, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

  Associated Products (646)

  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+ 626 more
  Associated Documents

  • DownloadMC-10168205-0001.pdf↗
• October 2, 2019•Document ID: 10168204

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

  Mfr Comm. #:

  010089010N

  Date Added:

  November 25, 2019

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).

  Associated Products (549)

  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+ 529 more
  Associated Documents

  • DownloadMC-10168204-0001.pdf↗
• October 2, 2019•Document ID: 10168188

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

  Mfr Comm. #:

  18NA306

  Date Added:

  November 25, 2019

  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 (380)

  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+ 360 more
  Associated Documents

  • DownloadMC-10168188-0001.pdf↗
• October 2, 2019•Document ID: 10167473

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  N192266190 02

  Date Added:

  November 12, 2019

  Manufacturer:

  CADILLAC

  Summary

  N192266190 02 - Service Update - (Revised Service Procedure for XT5). Certain vehicles may have an engine control software issue that can occur during an automatic stop/start event. Immediately following an auto-start and while the vehicle is stopped, this condition can cause the engine to run rough, run at reduced power, or, in rare cases, stall. DTC?s P0011, P0021, P0014, and P0024 may set. Dealers will reprogram the engine control module (ECM).

  Associated Products (4)

  2018 Buick Enclave2018 Buick LaCrosse2018 Cadillac XT52018 Chevrolet Traverse
  Associated Documents

  • DownloadMC-10167473-0001.pdf↗
• October 1, 2019•Document ID: 10168222

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  PIE0539A

  Date Added:

  November 25, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This engineering information bulletin is requesting to gather information from the field to determine a root cause for a condition of a stick-Slip Type Condition Felt in Steering Wheel at Highway Speeds. The information gathered will be used to develop a field fix.

  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-10168222-0001.pdf↗
• September 25, 2019•Document ID: 10165904

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP4670H

  Date Added:

  October 15, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.

  Associated Products (259)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Impala2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Sonic+ 239 more
  Associated Documents

  • DownloadMC-10165904-0001.pdf↗
• September 23, 2019•Document ID: 10165900

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIP5676A

  Date Added:

  October 15, 2019

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual.

  Associated Products (72)

  2019 Buick Envision2019 Buick LaCrosse2019 Buick Regal2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Chevrolet Blazer2019 Chevrolet Camaro2019 Chevrolet Colorado2019 Chevrolet Equinox2019 Chevrolet Impala2019 Chevrolet Malibu2019 Chevrolet Traverse2019 GMC Acadia2019 GMC Canyon2019 GMC Terrain2018 Buick Envision2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS+ 52 more
  Associated Documents

  • DownloadMC-10165900-0001.pdf↗
• September 20, 2019•Document ID: 10166245

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  N192266190 01

  Date Added:

  October 21, 2019

  Manufacturer:

  BUICK

  Summary

  N192266190 01 - Service Update. Certain 2018 model year Buick LaCrosse, Enclave, Cadillac XT5 and Chevrolet Traverse vehicles may have an engine control software issue that can occur during an automatic stop/start event. Immediately following an auto-start and while the vehicle is stopped, this condition can cause the engine to run rough, run at reduced power, or, in rare cases, stall. DTC?s P0011, P0021, P0014, and P0024 may set. Dealers will reprogram the engine control module (ECM).

  Associated Products (4)

  2018 Buick Enclave2018 Buick LaCrosse2018 Cadillac XT52018 Chevrolet Traverse
  Associated Documents

  • DownloadMC-10166245-0001.pdf↗
• September 18, 2019•Document ID: 10166638

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  17NA073

  Date Added:

  October 28, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

  Associated Products (931)

  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+ 911 more
  Associated Documents

  • DownloadMC-10166638-0001.pdf↗
• September 18, 2019•Document ID: 10166242

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  N192266190

  Date Added:

  October 21, 2019

  Manufacturer:

  CADILLAC

  Summary

  N192266190 - Service Update. Certain vehicles may have an engine control software issue that can occur during a stop/start event that is causing drivability concerns such as the engine running roughly. Potential reduced engine power or engine stall with DTC?s P0011, P0021, P0014, and P0024 may set. Dealers will reprogram the engine control module (ECM).

  Associated Products (4)

  2018 Buick Enclave2018 Buick LaCrosse2018 Cadillac XT52018 Chevrolet Traverse
  Associated Documents

  • DownloadMC-10166242-0001.pdf↗
• September 18, 2019•Document ID: 10165893

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; LANE DEPARTURE

  Mfr Comm. #:

  PIC6048K

  Date Added:

  October 15, 2019

  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 (41)

  2019 Buick Enclave2019 Buick Envision2019 Buick LaCrosse2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Cadillac XT42019 Cadillac XT52019 Cadillac XTS2019 Chevrolet Equinox2019 Chevrolet Traverse2019 GMC Acadia2019 GMC Terrain2018 Buick Enclave2018 Buick Envision2018 Buick LaCrosse2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac XT5+ 21 more
  Associated Documents

  • DownloadMC-10165893-0001.pdf↗
• September 17, 2019•Document ID: 10166674

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIE0540

  Date Added:

  October 28, 2019

  Manufacturer:

  CADILLAC

  Summary

  This engineering informational bulletin is requesting to gather information from the field to determine a root cause for a condition of oil leaking from the valve rocker arm oil control valve. The information gathered will be used to develop a field fix.

  Associated Products (31)

  2019 Buick LaCrosse2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Chevrolet Blazer2019 Chevrolet Camaro2019 Chevrolet Colorado2019 GMC Acadia2019 GMC Canyon2018 Buick LaCrosse2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac XT52018 Chevrolet Camaro2018 Chevrolet Colorado2018 GMC Acadia2018 GMC Canyon2017 Buick LaCrosse2017 Cadillac ATS+ 11 more
  Associated Documents

  • DownloadMC-10166674-0001.pdf↗
• September 17, 2019•Document ID: 10166673

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  PIE0539

  Date Added:

  October 28, 2019

  Manufacturer:

  CADILLAC

  Summary

  This engineering informational bulletin is requesting to gather information from the field to determine a root cause for a condition of a stick-Slip Type Condition Felt in Steering Wheel at Highway Speeds. The information gathered will be used to develop a field fix.

  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-10166673-0001.pdf↗
• September 16, 2019•Document ID: 10165889

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIP5676

  Date Added:

  October 15, 2019

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual.

  Associated Products (72)

  2019 Buick Envision2019 Buick LaCrosse2019 Buick Regal2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Chevrolet Blazer2019 Chevrolet Camaro2019 Chevrolet Colorado2019 Chevrolet Equinox2019 Chevrolet Impala2019 Chevrolet Malibu2019 Chevrolet Traverse2019 GMC Acadia2019 GMC Canyon2019 GMC Terrain2018 Buick Envision2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS+ 52 more
  Associated Documents

  • DownloadMC-10165889-0001.pdf↗
• September 6, 2019•Document ID: 10165877

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5632B

  Date Added:

  October 15, 2019

  Manufacturer:

  BUICK

  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 (354)

  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+ 334 more
  Associated Documents

  • DownloadMC-10165877-0001.pdf↗