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Thread: will licensing only the ecm affect future access to the tcm?

  1. #1

    will licensing only the ecm affect future access to the tcm?

    i'm trying to tune a 03 duramax

    and i cannot license the ecm/tcm because the tcm has an invalid vin/os pair

    i know the fix for this is to reflash the tcm w/ a tech 2 to the lastest file

    the ecm has a valid vin/os pair

    if i disconnect the tcm and reread the ecm (so i have an ecm only file)
    and license that file make my changes and flash it back in (with tcm disconnected) can i then later (after customer has the tcm reflashed)
    do a reread and still have access

    i have read that hpt doesn't license to the tcm but i want to make sure before i have to shell out 2x credits when he wants the trans done

    thanks

  2. #2
    HP Tuners Support
    (foff667)
    Bill@HPTuners's Avatar
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    Yes you will still have access if you decide to read the tcm at a later time, since our software ONLY licenses the ecm & gives you the tcm license without charge you will NOT need to relicense the TCM at any time.

    -Bill
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  3. #3
    wonderful thank you for the fast reply

    now i have some smoke to make