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Thread: MM3 20002 SD Card Error

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    MM3 20002 SD Card Error

    I’m having issues with the tuner in my 2014 RAM 3500.

    It won’t switch to the RT tunes and truck seems a little off.

    Tuner says SD card is missing but it’s there.

    Seated properly and no damage to card.

    Not sure how to get a hold of double r diesel anymore.

    Everything points me to this forum.

    First time ever posting on a forum so if I’m in the wrong place please let me know.

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  3. Top Of Page | #2
    MOD watersupply189's Avatar

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    Re: MM3 20002 SD Card Error

    You have to be a Platinum member now to talk with DRD.

    Have you tried a new SD card?

    Sounds like your current one is bad.


    2016 Ram Laramie 3500, G56, 6.7, MM3 by Double R Diesel, Rough Country Leveling, HID headlights, Morimoto LED fogs plus a whole lot more!

    2016 RAM 3500 4x4 Laramie Crew Cab
    Cummins,G56, Rough Country level, Morimoto LED fog lights, LED headlights, Lund Attitude Steps sprayed with Line-X, DRL's Activated, 35x12.50R18 Falken Wildpeak ATW3, Fuel Vapor Wheels Matte Black w/Dark Tint, A.R.E. Truck cap and swing boxes

  4. Top Of Page | #3

    Re: MM3 20002 SD Card Error

    No I haven’t tried anything other than turn it off and back on again.

    Is it just as easy as throwing a new card in?

    Or is there a way to pull the info of the old one and put on new card.


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  6. Top Of Page | #4
    I WILL STAND! AK Bob's Avatar

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    Re: MM3 20002 SD Card Error

    You may want to try to see if you can read the card on a windows computer.

    If you can then copy and paste the files into a folder on the computer.

    Your new card will need to be initialized using the MM3 software available on the MM3 website for free.

    Then copy and paste the files you saved from your computer to the card.


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. MM3 tuned by Double R Diesel. Oil Bypass Filter, 50 Gallon auxiliary fuel tank.

    Sent from my iPhone using Tapatalk

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  8. Top Of Page | #5
    Daily Grinding! RamIt's Avatar

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    Re: MM3 20002 SD Card Error

    Your card is corrupted & needs to be properly reformatted.


    Did you attempt to format it at any point in time in the past or have you replaced the original card with a new one?


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  10. Top Of Page | #6
    MOD watersupply189's Avatar

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    Re: MM3 20002 SD Card Error

    Did you save your files on your computer when you tuned?

    If so get a new SD card and transfer it to that.

    Like @AK Bob said try your current SD card on your computer to see if you can save the files.


    2016 Ram Laramie 3500, G56, 6.7, MM3 by Double R Diesel, Rough Country Leveling, HID headlights, Morimoto LED fogs plus a whole lot more!

    2016 RAM 3500 4x4 Laramie Crew Cab
    Cummins,G56, Rough Country level, Morimoto LED fog lights, LED headlights, Lund Attitude Steps sprayed with Line-X, DRL's Activated, 35x12.50R18 Falken Wildpeak ATW3, Fuel Vapor Wheels Matte Black w/Dark Tint, A.R.E. Truck cap and swing boxes

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