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Thread: undo changes

  1. #1
    Tuner in Training
    Join Date
    Dec 2007
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    46

    undo changes

    I have a 16 ats 2.0 also hp tuners mvp12, I flashed a few changes in my file to the car, which didn't work, had to flash a stock file back to the car. can someone tell me how to undo those changes to the file, changes were to torque man for the axles.

  2. #2
    Tuner
    Join Date
    Mar 2019
    Location
    Tierra Verde, FL
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    157
    use the compare function. Compare both tunes and find what you need to change

  3. #3
    Tuner in Training
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    Dec 2007
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    46
    thanks

  4. #4
    Senior Tuner TheMechanic's Avatar
    Join Date
    Jan 2014
    Location
    SoCal
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    1,533
    As a general rule I always save the first download from the PCM and then work with a copy of the initial download. That way no matter what I do I will always be able to start from scratch if need be.

  5. #5
    Very good advice. Thought i was fine until i hit save instead of save as....oops

  6. #6
    Tuning Addict blindsquirrel's Avatar
    Join Date
    Apr 2017
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    Meridian MS
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    7,448
    ...or you can just right click on 'Base' and then 'Open in new editor' and save that file as-is.

  7. #7
    Tuning Addict blindsquirrel's Avatar
    Join Date
    Apr 2017
    Location
    Meridian MS
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    ...but be aware that 'Base' only goes back to the last time the file was read out from the vehicle. Each time a new read is done and that file saved it clears out the change history.