Multiple codes

Discussion in 'Freightliner Forum' started by Roblyn3, Mar 14, 2020.

  1. Roblyn3

    Roblyn3 Bobtail Member

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    Mar 15, 2020
    0
    I have a 2011 cascadia dd15 it giving me def quality 01 /def quality 17 I dumped out all def and still gives codes now truck dash has stop engine can anyone help me figure out what I need to do thanks
     
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  3. 3ARTransport

    3ARTransport Light Load Member

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    Feb 6, 2016
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    I had the same problem and my mechanic had told me it was time for a new one box. Mine was a 2011 with 600k. The scr was bad and nox conversion was to low or something to that effect, thus computer was blaming bad def. One box is a bad design and is stupid expensive. You better off going another route vs fixing.
     
  4. Roblyn3

    Roblyn3 Bobtail Member

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    Mar 15, 2020
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    It has new one box change it I only have about 100,000 miles on it
     
  5. 3ARTransport

    3ARTransport Light Load Member

    106
    48
    Feb 6, 2016
    0
    If thats the case it might be just a bad sensor. Good luck with that, it can get expensive quick
     
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