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Thread: 6T40 tcm VIN change

  1. #1
    Tuner in Training Targus's Avatar
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    Jan 2015

    6T40 tcm VIN change

    Is it possible to change VIN for 6T40 tcm on Cruze ?

    because of defectife tcm board replacement with different ID board for same tcm .
    If ID is different can not do sps to change vin.

  2. #2
    Changing ECM and TCM VINs in "Global A" vehicles (like your Cruze) generally won't work once a VIN has been programmed in. There may be a procedure for "unmarrying" the ECU using SPS, but if would have to be done with it still installed in the original vehicle.