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Thread: Write Entire to wrong ECM, not can't write anything?

  1. 11-07-2022 #1
    samckitt
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    Write Entire to wrong ECM, not can't write anything?

    OK HPT experts, got a dilemma.

    I have 2 different E67 ECMs, one is GMPP & the other is 09 CTSV, I can/could write to both of them without issue. But I mistakenly did a "Write Entire" of the GMPP tune to the CTSV ECM (which worked), but now I cannot write anything to the CTSV ECM, says vehicle not recognized, or registered, or something like that.

    Am I hose now & have to use more credits to enable that ECM again? Or is there a way around it?

    Thanks
    Last edited by samckitt; 11-08-2022 at 09:46 AM.
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  2. 11-09-2022 #2
    samckitt
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    Anyone?
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  3. 11-09-2022 #3
    Bill@HPTuners
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    https://forum.hptuners.com/showthrea...ashing-warning <---likely the issue.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"
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