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.

    ELECTRICAL SYSTEM

    • TSB #PIT5630A

      NHTSA ID #10149061

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

      Summary: This Preliminary information communicates the possible setting of B101D-39 in the OnStar module and advises of byte info to retrieve while  engineering completes further investigation. 

      More Information »

    • TSB #PIT5630

      NHTSA ID #10145467

      • Date Announced: SEPTEMBER 06 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates the possible setting of B101D-39 in the OnStar module and advises of byte info to retrieve and of engineering investigation.

      More Information »

    EQUIPMENT

    • TSB #PIT5630A

      NHTSA ID #10149061

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

      Summary: This Preliminary information communicates the possible setting of B101D-39 in the OnStar module and advises of byte info to retrieve while  engineering completes further investigation. 

      More Information »

    EQUIPMENT:ELECTRICAL

    • TSB #PIT5630A

      NHTSA ID #10149061

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

      Summary: This Preliminary information communicates the possible setting of B101D-39 in the OnStar module and advises of byte info to retrieve while  engineering completes further investigation. 

      More Information »