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2012 DD15 Cascadia fault code help, ENG 1 Fail 31 SPN 3464

Discussion in 'Freightliner Forum' started by TRS Group, Jan 4, 2019.

  1. Jan 4, 2019 #1
    TRS Group

    TRS Group Light Load Member

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    117
    Sep 24, 2018
    0
    I've got a 2012 Freightliner Cascadia and its giving me a ENG 1 Fail 31 SPN 3464 with the amber engine light on. What should I be looking for to resolve this problem?? How serious of a fault code is it??
     
    TRS Group, Jan 4, 2019
    TRS Group, Jan 4, 2019
    #1
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  3. Jan 4, 2019 #2
    Gdog66223

    Gdog66223 Road Train Member

    1,871
    2,568
    Dec 30, 2017
    Coal Town
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    I used to have that same truck/year and it was satan's truck.... always had a problem... if it wasn't dpf, def, or some BS it was something else... before engine took a dump I spent over $16,000 in repairs on the def system alone in 2018....

    that fault 31 spn 3464 is a code to do with intake valve. Could be a filter, fuse, dpf one box, number of things.... it might even need a regen... good luck to you that truck is a mistake..
     
    Gdog66223, Jan 4, 2019
    Gdog66223, Jan 4, 2019
    #2
  4. Jan 4, 2019 #3
    TRS Group

    TRS Group Light Load Member

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    117
    Sep 24, 2018
    0
    The DEF system was canceled when I bought the truck. I'm almost certain it's going to be a stuck throttle body ...I'm going to take it off in the morning. The DEF system kills a truck and put o/o out of business, the truck has to 'breathe' in order to work properly
     
    TRS Group, Jan 4, 2019
    TRS Group, Jan 4, 2019
    #3
  5. Mar 5, 2019 #4
    Davud_de

    Davud_de Bobtail Member

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    Jan 13, 2019
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    Did you end up finding the cause and the solution to this code
     
    Davud_de, Mar 5, 2019
    Davud_de, Mar 5, 2019
    #4
  6. Sep 22, 2020 #6
    Trovar7867

    Trovar7867 Bobtail Member

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    Sep 22, 2020
    0
     
    Trovar7867, Sep 22, 2020
    Trovar7867, Sep 22, 2020
    #6
  7. Sep 22, 2020 #7
    Trovar7867

    Trovar7867 Bobtail Member

    2
    0
    Sep 22, 2020
    0
    I'm having the same issue what did you do to resolve this issue???
     
    Trovar7867, Sep 22, 2020
    Trovar7867, Sep 22, 2020
    #7
  8. Dec 11, 2020 #8
    Garba2

    Garba2 Bobtail Member

    1
    0
    Dec 11, 2020
    0
    I have 2014 cascadia just changed oil and showing code MI -93456 service do what it could be please help
     
    Garba2, Dec 11, 2020
    Garba2, Dec 11, 2020
    #8
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