2019 Buick LaCrosse TSBs

2019 Buick LaCrosse

24 Technical Service Bulletins (TSBs)

TSB List for the 2019 Buick LaCrosse

The TSB information displayed below are summaries. Unfortunately we do not have access to the full versions. To get full information about a particular TSB, write down the TSB title & date, & either contact your local dealer or click on the links below.

SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

  • TSB #18175

    NHTSA ID #10143728

    • Date Announced: MAY 16 2018
    • Additional Info: How to Fix

    Summary: 18175 - Service Update. vehicles may have the incorrect bolt installed on the brake pedal assembly box. Inspect and replace bolts.

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ENGINE (PWS)

  • TSB #PIC6341

    NHTSA ID #10151865

    • Date Announced: NOVEMBER 20 2018
    • Additional Info: How to Fix

    Summary: This Preliminary information communicates that a customer may bring a vehicle in with a complaint that the engine rpm increased and/or the vehicle downshifted for no reason. The dealer is instructed to test drive the vehicle and check for c

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  • TSB #PIP5568C

    NHTSA ID #10151836

    • Date Announced: NOVEMBER 13 2018
    • Additional Info: How to Fix

    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 drivabili

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  • TSB #PIP5597

    NHTSA ID #10147363

    • Date Announced: OCTOBER 09 2018
    • Additional Info: How to Fix

    Summary: This Preliminary information communicates to the technician where to find the engine identification tag and what information on that tag to use during programming of someengine control modules.

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  • TSB #PIP5486F

    NHTSA ID #10147365

    • Date Announced: OCTOBER 09 2018
    • Additional Info: How to Fix

    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.

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  • TSB #PIP5486D

    NHTSA ID #10144456

    • Date Announced: AUGUST 14 2018
    • Additional Info: How to Fix

    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.

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  • TSB #PIP5493G

    NHTSA ID #10144455

    • Date Announced: AUGUST 09 2018
    • Additional Info: How to Fix

    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 P

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ENGINE AND ENGINE COOLING

  • TSB #PIP5095F

    NHTSA ID #10144454

    • Date Announced: AUGUST 09 2018
    • Additional Info: How to Fix

    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

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POWER TRAIN

  • TSB #PIC6341

    NHTSA ID #10151865

    • Date Announced: NOVEMBER 20 2018
    • Additional Info: How to Fix

    Summary: This Preliminary information communicates that a customer may bring a vehicle in with a complaint that the engine rpm increased and/or the vehicle downshifted for no reason. The dealer is instructed to test drive the vehicle and check for c

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POWER TRAIN:AUTOMATIC TRANSMISSION

  • TSB #PIC6244B

    NHTSA ID #10147340

    • Date Announced: OCTOBER 01 2018
    • Additional Info: How to Fix

    Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Technician will find Diagnostic Trouble Codes P1AEE, P1AEF, P1AF0, P1AF2, a

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ELECTRICAL SYSTEM

  • TSB #PIC6335B

    NHTSA ID #10149062

    • Date Announced: OCTOBER 30 2018
    • Additional Info: How to Fix

    Summary: This Preliminary Information communication provides information to the technician about vehicles that may have Circular Distortion in the Circle Icons and the Buick Tri-Shield Start Up Screen on the radio display. Dealer should advise the c

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  • TSB #PIP5095F

    NHTSA ID #10144454

    • Date Announced: AUGUST 09 2018
    • Additional Info: How to Fix

    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

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STRUCTURE

  • TSB #PIC5822F

    NHTSA ID #10151876

    • Date Announced: NOVEMBER 26 2018
    • Additional Info: How to Fix

    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 o

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VEHICLE SPEED CONTROL:CRUISE CONTROL

  • TSB #PIC6265D

    NHTSA ID #10151851

    • Date Announced: NOVEMBER 15 2018
    • Additional Info: How to Fix

    Summary: This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. The technician may attempt to program the Active Safety Control Module (ASCM) and encoun

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SEATS

  • TSB #PIC6048J

    NHTSA ID #10151861

    • Date Announced: NOVEMBER 19 2018
    • Additional Info: How to Fix

    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

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LANE DEPARTURE

  • TSB #PIC6048J

    NHTSA ID #10151861

    • Date Announced: NOVEMBER 19 2018
    • Additional Info: How to Fix

    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

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  • TSB #PIC6265D

    NHTSA ID #10151851

    • Date Announced: NOVEMBER 15 2018
    • Additional Info: How to Fix

    Summary: This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. The technician may attempt to program the Active Safety Control Module (ASCM) and encoun

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EQUIPMENT

  • TSB #PIC5822F

    NHTSA ID #10151876

    • Date Announced: NOVEMBER 26 2018
    • Additional Info: How to Fix

    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 o

    More Information »

  • TSB #PIC6335B

    NHTSA ID #10149062

    • Date Announced: OCTOBER 30 2018
    • Additional Info: How to Fix

    Summary: This Preliminary Information communication provides information to the technician about vehicles that may have Circular Distortion in the Circle Icons and the Buick Tri-Shield Start Up Screen on the radio display. Dealer should advise the c

    More Information »

  • TSB #PIC6232A

    NHTSA ID #10147397

    • Date Announced: OCTOBER 22 2018
    • Additional Info: How to Fix

    Summary: This Preliminary Information communication provides information to the technician about vehicles that have the outside air temperature display reading incorrectly. Dealer should advise the customer that the outside air temperature will not

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  • TSB #PIC5779J

    NHTSA ID #10144465

    • Date Announced: AUGUST 20 2018
    • Additional Info: How to Fix

    Summary: This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. It is recommended that a non-alkaline solution be used for

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EQUIPMENT:ELECTRICAL

  • TSB #PIC6335B

    NHTSA ID #10149062

    • Date Announced: OCTOBER 30 2018
    • Additional Info: How to Fix

    Summary: This Preliminary Information communication provides information to the technician about vehicles that may have Circular Distortion in the Circle Icons and the Buick Tri-Shield Start Up Screen on the radio display. Dealer should advise the c

    More Information »

EQUIPMENT:OTHER:LABELS

  • TSB #PIP5597

    NHTSA ID #10147363

    • Date Announced: OCTOBER 09 2018
    • Additional Info: How to Fix

    Summary: This Preliminary information communicates to the technician where to find the engine identification tag and what information on that tag to use during programming of someengine control modules.

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EQUIPMENT ADAPTIVE

  • TSB #PIC5779J

    NHTSA ID #10144465

    • Date Announced: AUGUST 20 2018
    • Additional Info: How to Fix

    Summary: This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. It is recommended that a non-alkaline solution be used for

    More Information »

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