Please note: The TSB information displayed below are summaries. 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.

The TSB numbers are the NHTSA numbers, which are different from the manufacturer-assigned TSB numbers — the NHTSA doesn't keep track of those. It's a very screwed up situation that's almost completely unhelpful to you as the consumer. Use the issue date or the title when asking your dealer for more information about a TSB.

    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 #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: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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    EQUIPMENT

    • 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 #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

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    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

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