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Thread: FAIL during writing

  1. 10-17-2019 #1
    piffo
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    FAIL during writing

    Hi to all,

    I've read the original ECM from a 2012 Durango V6 , change with a new one, try to write cal but nothing, FAILED message appear...

    Help me please.
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  2. 10-18-2019 #2
    kronalogi.wireless@gmail.
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    DId you write the VIN # to the new ECU HP tuner is VIN # based
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