2015 Cascadia No Crank/Red DEF Light/Neutral To Start Engine

Discussion in 'Freightliner Forum' started by Ult2021, Sep 15, 2021.

  1. Ult2021

    Ult2021 Bobtail Member

    2
    0
    Sep 15, 2021
    0
    Hey, we have a 2015 Cascadia that has not been cranking and has Red DEF light and message saying Must be in Neutral to Start Engine. Any ideas as to what can be wrong?
     
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  3. Ross_Tech

    Ross_Tech Light Load Member

    90
    75
    Aug 31, 2021
    Michigan
    0
    PT CAN communication fault. Possibly CPC failure. It sounds like the ACM and TCM aren't communicating with the ICU or MCM.
     
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  4. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    Jun 14, 2009
    romulus,mi
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    X2 on CPC failure. Super secret galactic back order on module. Going for $2000 and up on Ebay.
     
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  5. Ult2021

    Ult2021 Bobtail Member

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    Sep 15, 2021
    0
    We got a used cpc, but still does not work.
     
  6. baha

    baha Road Train Member

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    Jul 25, 2013
    ga
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    Did you turn the truck off while it was in gear? When you turn the key on can you hear the trans. going thru the gears like it does before starting the eng>
     
  7. Ekluigy

    Ekluigy Bobtail Member

    5
    3
    Oct 4, 2021
    0
    I have the same in cascadia 2014 but a used a eaton transmision 13. I have 1 fault code about acm no connection and i work in troubleshooting and change the acm but still not start the engine.

    Any one help me?
     
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