Multiple codes

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

  1. Mar 14, 2020 #1
    Roblyn3

    Roblyn3 Bobtail Member

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    Mar 15, 2020
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    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
     
    Roblyn3, Mar 14, 2020
    Roblyn3, Mar 14, 2020
    #1
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  3. Mar 15, 2020 #2
    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.
     
    3ARTransport, Mar 15, 2020
    3ARTransport, Mar 15, 2020
    #2
  4. Mar 15, 2020 #3
    Roblyn3

    Roblyn3 Bobtail Member

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    Mar 15, 2020
    0
    It has new one box change it I only have about 100,000 miles on it
     
    Roblyn3, Mar 15, 2020
    Roblyn3, Mar 15, 2020
    #3
  5. Mar 15, 2020 #4
    3ARTransport

    3ARTransport Light Load Member

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    Feb 6, 2016
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    If thats the case it might be just a bad sensor. Good luck with that, it can get expensive quick
     
    3ARTransport, Mar 15, 2020
    3ARTransport, Mar 15, 2020
    #4
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