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Thread: Write calibration failed for timing changes

  1. #1
    Tuner in Training
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    Jan 2024
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    Write calibration failed for timing changes

    Every time I try to write a timing calibration to ECM I get a failed notice. If I go back to the file that I have saved before making any changes to the timing tables it loads fine. What am I missing here? I am very new at this. probably something simple I?m sure. Thanks

    Attached tune file that won?t upload
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  2. #2
    Tuning Addict blindsquirrel's Avatar
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    Apr 2017
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    Meridian MS
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    And one of the files that will write OK would help to have something to compare with.

  3. #3
    Tuner in Training
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    Jan 2024
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    Tune that works
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  4. #4
    Tuning Addict blindsquirrel's Avatar
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    Apr 2017
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    Meridian MS
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    Try this. I have an ancient editor version, I copied over the changes and saved with a new name. This will check to see if it's a file problem, or an editor bug.

    Jeep New ECM Tune 1.0 - test.hpt

  5. #5
    Tuner in Training
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    Jan 2024
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    Ok will do, thanks for your help again. I’ve decided to scrap that old tune that you helped me with earlier and start from scratch on my own. Just watching videos. I’ve at least got it running and idling now.