Buick LaCrosse Service Bulletins

3,361 manufacturer communications on file.

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 Cascada 2018 Buick Enclave 2018 Buick Encore 2018 Buick Envision 2018 Buick LaCrosse 2018 Buick Regal 2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac CTS 2018 Cadillac Escalade 2018 Cadillac Escalade ESV 2018 Cadillac XT5 2018 Cadillac XTS 2018 Chevrolet Bolt EV 2018 Chevrolet Camaro 2018 Chevrolet Colorado 2018 Chevrolet Corvette 2018 Chevrolet Cruze 2018 Chevrolet Equinox 2018 Chevrolet Express+ 314 more
Associated Documents
- Download MC-10137380-0001.pdf↗
March 15, 2018•Document ID: 10137309
Service Bulletin/Repair Instructions
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN
Mfr Comm. #:
18NA083
Date Added:
May 21, 2018
Manufacturer:
CADILLAC
Summary
This technical bulletin provides a procedure to adjust the automatic transmission range selector actuator hardware module if any of the conditions are present.
Associated Products (3)
2018 Cadillac XT5 2017 Buick LaCrosse 2017 Cadillac XT5
Associated Documents
- Download MC-10137309-0001.pdf↗
March 13, 2018•Document ID: 10137186
Service Bulletin/Repair Instructions
ENGINE
Mfr Comm. #:
PIP5486C
Date Added:
May 21, 2018
Manufacturer:
CADILLAC
Summary
This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.
Associated Products (22)
2018 Buick LaCrosse 2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac CTS 2018 Cadillac XT5 2018 Chevrolet Camaro 2018 Chevrolet Colorado 2018 GMC Acadia 2018 GMC Canyon 2017 Buick LaCrosse 2017 Cadillac ATS 2017 Cadillac CT6 2017 Cadillac CTS 2017 Cadillac XT5 2017 Chevrolet Camaro 2017 Chevrolet Colorado 2017 GMC Acadia 2017 GMC Canyon 2016 Cadillac ATS 2016 Cadillac CT6+ 2 more
Associated Documents
- Download MC-10137186-0001.pdf↗
March 13, 2018•Document ID: 10137183
Service Bulletin/Repair Instructions
EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
Mfr Comm. #:
PIT5411K
Date Added:
May 21, 2018
Manufacturer:
CHEVROLET
Summary
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
Associated Products (32)
2018 Buick Enclave 2018 Buick Encore 2018 Buick Envision 2018 Buick LaCrosse 2018 Buick Regal 2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac CTS 2018 Cadillac Escalade 2018 Cadillac XT5 2018 Cadillac XTS 2018 Chevrolet Bolt EV 2018 Chevrolet Camaro 2018 Chevrolet Colorado 2018 Chevrolet Corvette 2018 Chevrolet Cruze 2018 Chevrolet Equinox 2018 Chevrolet Impala 2018 Chevrolet Malibu 2018 Chevrolet Silverado+ 12 more
Associated Documents
- Download MC-10137183-0001.pdf↗
March 12, 2018•Document ID: 10139291
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS; ELECTRICAL SYSTEM:12V/24V/48V BATTERY
Mfr Comm. #:
18046
Date Added:
June 4, 2018
Manufacturer:
BUICK
Summary
18046 - Service Update. On certain vehicles, the motor generator unit (MGU) coolant hose may contact the battery power inverter module (BPIM). Customers may experience a coolant leak. Dealers are to install a shorter bolt. They should also inspect the coolant hose for damage and replace it as necessary.
Associated Products (1)
2018 Buick LaCrosse
Associated Documents
- Download MC-10139291-0001.pdf↗
March 12, 2018•Document ID: 10137182
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
Mfr Comm. #:
PIP4112S
Date Added:
May 21, 2018
Manufacturer:
GMC
Summary
This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This concern may also be present while crusing at highway speeds and then an aggressive increase in throttle.This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to downshift.
Associated Products (230)
2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac CTS 2018 Cadillac Escalade ESV 2018 Chevrolet Camaro 2018 Chevrolet Caprice 2018 Chevrolet Colorado 2018 Chevrolet Corvette 2018 Chevrolet Express 2018 Chevrolet Silverado 2018 Chevrolet Suburban 2018 Chevrolet Tahoe 2018 GMC Canyon 2018 GMC Savana 2018 GMC Sierra 2018 GMC Yukon 2017 Cadillac ATS 2017 Cadillac CT6 2017 Cadillac CTS 2017 Cadillac Escalade ESV+ 210 more
Associated Documents
- Download MC-10137182-0001.pdf↗
March 12, 2018•Document ID: 10137181
Service Bulletin/Repair Instructions
ENGINE
Mfr Comm. #:
PIP5493F
Date Added:
May 21, 2018
Manufacturer:
CADILLAC
Summary
This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Changes to Preliminary informationinclude adding MY2018, advising of calibration for previous investigation and adding pictures to identify concern. Also difining calibration update information.
Associated Products (22)
2018 Buick LaCrosse 2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac CTS 2018 Cadillac XT5 2018 Chevrolet Camaro 2018 Chevrolet Colorado 2018 GMC Acadia 2018 GMC Canyon 2017 Buick LaCrosse 2017 Cadillac ATS 2017 Cadillac CT6 2017 Cadillac CTS 2017 Cadillac XT5 2017 Chevrolet Camaro 2017 Chevrolet Colorado 2017 GMC Acadia 2017 GMC Canyon 2016 Cadillac ATS 2016 Cadillac CT6+ 2 more
Associated Documents
- Download MC-10137181-0001.pdf↗
March 9, 2018•Document ID: 10137385
Service Bulletin/Repair Instructions
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Mfr Comm. #:
110089002C
Date Added:
May 21, 2018
Manufacturer:
CHEVROLET
Summary
This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months).
Associated Products (327)
2018 Buick Cascada 2018 Buick Enclave 2018 Buick Encore 2018 Buick Envision 2018 Buick LaCrosse 2018 Buick Regal 2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac CTS 2018 Cadillac Escalade 2018 Cadillac Escalade ESV 2018 Cadillac XT5 2018 Cadillac XTS 2018 Chevrolet Bolt EV 2018 Chevrolet Camaro 2018 Chevrolet Colorado 2018 Chevrolet Corvette 2018 Chevrolet Cruze 2018 Chevrolet Equinox 2018 Chevrolet Express+ 307 more
Associated Documents
- Download MC-10137385-0001.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 Cascada 2018 Buick Enclave 2018 Buick Encore 2018 Buick Envision 2018 Buick LaCrosse 2018 Buick Regal 2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac CTS 2018 Cadillac Escalade 2018 Cadillac Escalade ESV 2018 Cadillac XT5 2018 Cadillac XTS 2018 Chevrolet Bolt EV 2018 Chevrolet Camaro 2018 Chevrolet Colorado 2018 Chevrolet Corvette 2018 Chevrolet Cruze 2018 Chevrolet Equinox 2018 Chevrolet Express+ 142 more
Associated Documents
- Download MC-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 Cascada 2018 Buick Enclave 2018 Buick Encore 2018 Buick Envision 2018 Buick LaCrosse 2018 Buick Regal 2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac CTS 2018 Cadillac Escalade 2018 Cadillac Escalade ESV 2018 Cadillac XT5 2018 Cadillac XTS 2018 Chevrolet Bolt EV 2018 Chevrolet Camaro 2018 Chevrolet Colorado 2018 Chevrolet Corvette 2018 Chevrolet Cruze 2018 Chevrolet Equinox 2018 Chevrolet Express+ 501 more
Associated Documents
- Download MC-10137382-0001.pdf↗
March 6, 2018•Document ID: 10137173
Service Bulletin/Repair Instructions
STRUCTURE
Mfr Comm. #:
PIC5822E
Date Added:
May 21, 2018
Manufacturer:
CHEVROLET
Summary
This Preliminary Information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Technician will gain access to the front wheelhouse of the affected side. The front wheel house flange may have a void in the sealer causing water to leak through and accumulate on the floor or wet carpet will be found. A thumb grade sealer will need to be placed in the void to prevent the water leak into the cabin.
Associated Products (31)
2018 Cadillac XTS 2018 Chevrolet Impala 2018 Chevrolet Malibu 2017 Buick Regal 2017 Cadillac XTS 2017 Chevrolet Impala 2017 Chevrolet Malibu 2016 Buick LaCrosse 2016 Buick Regal 2016 Cadillac XTS 2016 Chevrolet Impala 2016 Chevrolet Malibu 2015 Buick LaCrosse 2015 Buick Regal 2015 Cadillac XTS 2015 Chevrolet Impala 2015 Chevrolet Malibu 2014 Buick LaCrosse 2014 Buick Regal 2014 Cadillac XTS+ 11 more
Associated Documents
- Download MC-10137173-0001.pdf↗
March 1, 2018•Document ID: 10137297
Service Bulletin/Repair Instructions
WHEELS; SERVICE BRAKES
Mfr Comm. #:
18NA067
Date Added:
May 21, 2018
Manufacturer:
CADILLAC
Summary
This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
Associated Products (183)
2018 Buick Cascada 2018 Buick Enclave 2018 Buick Encore 2018 Buick Envision 2018 Buick LaCrosse 2018 Buick Regal 2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac CTS 2018 Cadillac Escalade 2018 Cadillac Escalade ESV 2018 Cadillac XT5 2018 Cadillac XTS 2018 Chevrolet Bolt EV 2018 Chevrolet Camaro 2018 Chevrolet Colorado 2018 Chevrolet Corvette 2018 Chevrolet Cruze 2018 Chevrolet Equinox 2018 Chevrolet Express+ 163 more
Associated Documents
- Download MC-10137297-0001.pdf↗
February 28, 2018•Document ID: 10137375
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
17NA215
Date Added:
May 21, 2018
Manufacturer:
CHEVROLET
Summary
This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition.
Associated Products (404)
2018 Buick Cascada 2018 Buick Enclave 2018 Buick Encore 2018 Buick Envision 2018 Buick LaCrosse 2018 Buick Regal 2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac CTS 2018 Cadillac Escalade 2018 Cadillac Escalade ESV 2018 Cadillac XT5 2018 Cadillac XTS 2018 Chevrolet Bolt EV 2018 Chevrolet Camaro 2018 Chevrolet Colorado 2018 Chevrolet Corvette 2018 Chevrolet Cruze 2018 Chevrolet Equinox 2018 Chevrolet Express+ 384 more
Associated Documents
- Download MC-10137375-0001.pdf↗
February 27, 2018•Document ID: 10137343
Service Bulletin/Repair Instructions
ENGINE
Mfr Comm. #:
090604015C
Date Added:
May 21, 2018
Manufacturer:
BUICK
Summary
This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years.
Associated Products (378)
2018 Buick Cascada 2018 Buick Enclave 2018 Buick Encore 2018 Buick Envision 2018 Buick LaCrosse 2018 Buick Regal 2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac CTS 2018 Cadillac Escalade 2018 Cadillac Escalade ESV 2018 Cadillac XT5 2018 Cadillac XTS 2018 Chevrolet Bolt EV 2018 Chevrolet Camaro 2018 Chevrolet Colorado 2018 Chevrolet Corvette 2018 Chevrolet Cruze 2018 Chevrolet Equinox 2018 Chevrolet Express+ 358 more
Associated Documents
- Download MC-10137343-0001.pdf↗
February 27, 2018•Document ID: 10137283
Service Bulletin/Repair Instructions
POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE
Mfr Comm. #:
16NA338
Date Added:
May 21, 2018
Manufacturer:
CHEVROLET
Summary
This Bulletin provides guidelines 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 (307)
2018 Buick Cascada 2018 Buick Enclave 2018 Buick Encore 2018 Buick Envision 2018 Buick LaCrosse 2018 Buick Regal 2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac CTS 2018 Cadillac Escalade 2018 Cadillac Escalade ESV 2018 Cadillac XT5 2018 Cadillac XTS 2018 Chevrolet Bolt EV 2018 Chevrolet Camaro 2018 Chevrolet Colorado 2018 Chevrolet Corvette 2018 Chevrolet Cruze 2018 Chevrolet Equinox 2018 Chevrolet Express+ 287 more
Associated Documents
- Download MC-10137283-0001.pdf↗
February 27, 2018•Document ID: 10135168
Service Bulletin/Repair Instructions
STEERING; ELECTRICAL SYSTEM
Mfr Comm. #:
17406
Date Added:
May 7, 2018
Manufacturer:
BUICK
Summary
17406 - Service Update. Vehicles may be missing a seal plug in the electric power steering (EPS) connector cavity leading to corrosion. Vehicle may lose steering assist and/or set diagnostic trouble codes and driver information center messages. Dealers are to inspect EPS connector for missing seal plug and water intrusion or corrosion. Replace the EPS connector and electric dual pinion rack and power steering gear if water intrusion or corrosion is found.
Associated Products (2)
2018 Buick LaCrosse 2017 Buick LaCrosse
Associated Documents
- Download MC-10135168-0001.pdf↗
February 27, 2018•Document ID: 10129901
Service Bulletin/Repair Instructions
STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING; ELECTRICAL SYSTEM
Mfr Comm. #:
PIC6073D
Date Added:
March 12, 2018
Manufacturer:
BUICK
Summary
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport bus concerns. The kit contains header connectors that are installed to bypass Media Oriented Systems Transport bus modules. The bypass connector also contains a terminal for verifying Media Oriented Systems Transport control circuit voltages. Technician should review Media Oriented Systems Transport bus description and operation and Diagnostic Trouble Code U0028 diagnostic procedures.
Associated Products (34)
2018 Buick Cascada 2018 Buick Enclave 2018 Buick Encore 2018 Buick Envision 2018 Buick LaCrosse 2018 Buick Regal 2017 Buick Cascada 2017 Buick Enclave 2017 Buick Encore 2017 Buick Envision 2017 Buick LaCrosse 2017 Buick Regal 2016 Buick Cascada 2016 Buick Enclave 2016 Buick Encore 2016 Buick Envision 2016 Buick LaCrosse 2016 Buick Regal 2016 Buick Verano 2015 Buick Enclave+ 14 more
Associated Documents
- Download MC-10129901-0001.pdf↗
February 22, 2018•Document ID: 10137312
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING:COOLING SYSTEM
Mfr Comm. #:
17NA390
Date Added:
May 21, 2018
Manufacturer:
BUICK
Summary
This technical bulletin provides a procedure to check the temp sensor connection and program the ECM.
Associated Products (6)
2018 Buick Enclave 2018 Buick LaCrosse 2018 Buick Regal 2018 Cadillac XT5 2018 Chevrolet Traverse 2018 GMC Acadia
Associated Documents
- Download MC-10137312-0001.pdf↗
February 22, 2018•Document ID: 10129900
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING
Mfr Comm. #:
PIP5095E
Date Added:
March 12, 2018
Manufacturer:
CADILLAC
Summary
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark Plug Tube is leaking and it is determined that the oil or coolant is not coming from a leak above the spark plug then replace the cylinder Head, spark plug and coil.
Associated Products (110)
2018 Buick Enclave 2018 Buick LaCrosse 2018 Buick Regal 2018 Cadillac ATS 2018 Cadillac CT6 2018 Cadillac XT5 2018 Cadillac XTS 2018 Chevrolet Camaro 2018 Chevrolet Colorado 2018 Chevrolet Impala 2018 Chevrolet Traverse 2018 GMC Acadia 2017 Buick Enclave 2017 Buick LaCrosse 2017 Cadillac ATS 2017 Cadillac CT6 2017 Cadillac XT5 2017 Cadillac XTS 2017 Chevrolet Camaro 2017 Chevrolet Colorado+ 90 more
Associated Documents
- Download MC-10129900-0001.pdf↗
February 20, 2018•Document ID: 10137337
Service Bulletin/Repair Instructions
EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN
Mfr Comm. #:
18NA054
Date Added:
May 21, 2018
Manufacturer:
BUICK
Summary
This technical bulletin provides a procedure to replace the transmission valve body separator plate for an upshift condition.
Associated Products (3)
2018 Buick Enclave 2018 Buick LaCrosse 2018 GMC Terrain
Associated Documents
- Download MC-10137337-0001.pdf↗

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