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Thread: Can’t clear DTC’s with MM3

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    Basic Member Lifted-Hauler's Avatar

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    Can’t clear DTC’s with MM3

    I can’t clear the DTC’s with the MM3. I’ve been able to in the past if I remember correctly but for some reason I can’t this time around. The CEL was illuminated due to me unplugging various sensors for trouble shooting a separate issue. The CEL is no longer on ( I had to disconnect the batteries to get it to reset) but the codes still exist. Its almost as if they’re saved onto the tuner. Anyone else have any issues similar? Thanks ahead of time.

    P.S. tunes are from DRD


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    JOKER! F350Cummins's Avatar

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    Re: Can’t clear DTC’s with MM3

    IIRC truck must be in the on state, but not running to clear them. ECM menu DTC Menu then you have the clear option. I can't go look as I don't have a 4th gen to compare to at the moment

    2014 Ram 2500 CCSB Ram Box Larime
    2011 Ram 5500
    2006 Diesel Jeep Liberty
    RIP. 2016 Tradesman 2500 picked up 9/28/16 MM3 DRD Tuning 107K miles wrecked by jeep wrangler.....


    Other Toys: 1973 Charger Bougham edition 400 big block 42K original miles
    Unicycles (about 3 dozen)


    6 in a row makes her go

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