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Thread: 20002 error? Reading INVALID SD CARD- Cannot use mm3 tuning functions.. Pickup tried

  1. Top Of Page | #11
    Basic Member Agent47's Avatar

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    Re: 20002 error? Reading INVALID SD CARD- Cannot use mm3 tuning functions.. Pickup tr

    I don’t have a spare. How do I fix


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  3. Top Of Page | #12
    Big Daddy! IGOTACUMMINS's Avatar

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    Re: 20002 error? Reading INVALID SD CARD- Cannot use mm3 tuning functions.. Pickup tr

    Quote Originally Posted by Agent47 View Post
    I don’t have a spare. How do I fix


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    Then DRD will send you one.


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  4. Top Of Page | #13
    easymon's Avatar

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    Re: 20002 error? Reading INVALID SD CARD- Cannot use mm3 tuning functions.. Pickup tr

    Do you have all the files on your computer if so I'd reformat SD card ad reload files on it if it is SD issue. Also unplug mm3 USB and obd2 and let reboot .

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  6. Top Of Page | #14
    DRD's Avatar

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    Re: 20002 error? Reading INVALID SD CARD- Cannot use mm3 tuning functions.. Pickup tr

    Quote Originally Posted by Agent47 View Post
    20002 error? Reading INVALID SD CARD- Cannot use mm3 tuning functions.. Pickup tried to start in 2nd gear as soon as left off brake pedal it nearly died.. Auto tranny


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    Sounds like you had some sort of ground fault short or had a power surge to happen. That is the only way a running engine can shut down by itself other than running out of fuel. And a power surge would explain what happened to the SD card.

    I'm not in office at the moment but the SD card problem can be remedied easily. I can email your tune files if you are a recent customer. You can then purchase a new SD locally and use the new auto updater to prepare a new SD card. Once the new card is prepared, then you can paste the tune files back on the card and you are back in business.

    In the meantime, if the truck has no electrical issues, the truck should run just fine with the tuner unplugged.

    Email us and we will take care of you tomorrow when we are back at it.

    Sent from my SM-G960U using Tapatalk

    The Cummins Whisperer! John 3:16, Romans 10:9-10...Tuning for the Heart and Soul.


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