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Thread: calibration missing HELP!

  1. #1
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    Default calibration missing HELP!

    trying to reflash and i get a calibration missing help need this truck running

  2. #2
    Lifetime Member GMPX's Avatar
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    So did it fail on a write attempt before this message?
    If so, just click ok and EFILive will continue on and attempt to reflash the ECM.

    Cheers,
    Ross
    I no longer monitor the forum, please either post your question or create a support ticket.

  3. #3
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    it just failed after many times we finally took off the battery cables and then it worked

  4. #4
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    any reason for this

  5. #5
    Lifetime Member GMPX's Avatar
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    Not really. It sounds like the ECM had got itself in a knot for some reason, hence once you disconnected the battery it reset the ECM to a normal state.

    Cheers,
    Ross
    I no longer monitor the forum, please either post your question or create a support ticket.

  6. #6
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    so taking off the battery cables was the right thing to do? I was getting a little nervous as it was not my truck and people tend to thing efi is black magic

  7. #7
    Lifetime Member GMPX's Avatar
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    The Bosch ECM is pretty safe on a write, even a full OS write. It has some nice safety nets built in. You wouldn't pull the battery cable on an LB7!
    I no longer monitor the forum, please either post your question or create a support ticket.

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