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Thread: VIN Change Not Updating

  1. #11
    Forum tyhee Site Admin GMPX's Avatar
    Join Date
    Apr 2003


    Well it has been the 'only' way since V7 came out all those years ago
    Not sure what was going on with the T43 selection initially but I'm glad it worked for you in the end.

  2. #12
    Senior Member
    Join Date
    May 2009


    I may have just forgotten having been out of the tuning/calibrating world for a while and doing supporting hard parts design and manufacturing. The last few VIN changes were ECMs so I clearly didn't realize that the slave module hierarchy of the T43 meant it doesn't like to be directly touched
    Trailblazer "RS" 5.3L 6L80 4x4 & '07 TBSS LS2 6L90 AWD

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