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Code 3577

Discussion in 'Ask An Owner Operator' started by Ikamob01, Apr 4, 2022.

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  1. Apr 4, 2022 #1
    Ikamob01

    Ikamob01 Medium Load Member

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    Reason:
    High signal voltage detected at the aftertreatment diesel exhaust fluid return valve.

    Fault Code: 3577 PID(P), SID(S): SPN: 4376 FMI: 3/3
    Lamp: Amber SRT:

    what could this be? Any help I will appreciate it.

    Cummins isx engine.
     
    Ikamob01, Apr 4, 2022
    Ikamob01, Apr 4, 2022
    #1
    D.Tibbitt Thanks this.
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  3. Apr 4, 2022 #2
    kranky1

    kranky1 Road Train Member

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    That sounds like the code for whip out $15,000 and get in line at the dealer. Boy I sure wish I had new trucks.
     
    kranky1, Apr 4, 2022
    kranky1, Apr 4, 2022
    #2
    shooter19802003 and Keepforgettingmypassword Thank this.
  4. Apr 4, 2022 #3
    D.Tibbitt

    D.Tibbitt Road Train Member

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    sounds like a bad def doser valve . .. pretty easy fix . coolant and def lines and a couple bolts. take off passanger side fairing/step to access it....

    @Goodysnap thoughts?
     
    D.Tibbitt, Apr 4, 2022
    D.Tibbitt, Apr 4, 2022
    #3
    Vampire, shooter19802003 and Keepforgettingmypassword Thank this.
  5. Apr 4, 2022 #4
    Ikamob01

    Ikamob01 Medium Load Member

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    will check it out tomorrow. needs more help as much as i can get. But thanks tho.
     
    Ikamob01, Apr 4, 2022
    Ikamob01, Apr 4, 2022
    #4
  7. Apr 4, 2022 #5
    D.Tibbitt

    D.Tibbitt Road Train Member

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    First thing to check with anything emissions related, is the wiring harness and connector/plugs. Make sure no corrosion in plugs and no damage to wiring
     
    D.Tibbitt, Apr 4, 2022
    D.Tibbitt, Apr 4, 2022
    #5
    shooter19802003 and Ikamob01 Thank this.
  8. Apr 5, 2022 #6
    Goodysnap

    Goodysnap Road Train Member

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    Engine serial number?

    YMM of truck?

    Without looking it up. The return valve is in the dosing unit/DEF pump. Remove the connector from the pump and check for DEF leaking into the electrical connector. Or you have a wiring issue between the pump and ECM.
     
    Goodysnap, Apr 5, 2022
    Goodysnap, Apr 5, 2022
    #6
    Vampire, D.Tibbitt, 77fib77 and 1 other person Thank this.
  9. Apr 5, 2022 #7
    Ikamob01

    Ikamob01 Medium Load Member

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    2015 prostate.
     
    Ikamob01, Apr 5, 2022
    Ikamob01, Apr 5, 2022
    #7
    Vampire Thanks this.
  10. Apr 5, 2022 #8
    Goodysnap

    Goodysnap Road Train Member

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    I think you need a doctor for that…..

    I won’t be much help. Lol
     
    Goodysnap, Apr 5, 2022
    Goodysnap, Apr 5, 2022
    #8
    shooter19802003 and loudtom Thank this.
  11. Apr 6, 2022 #9
    Ikamob01

    Ikamob01 Medium Load Member

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    you got it right. The return valve was replaced. kinda expensive tho.$900 for part 300$ labor.
     
    Ikamob01, Apr 6, 2022
    Ikamob01, Apr 6, 2022
    #9
    Vampire, Goodysnap and D.Tibbitt Thank this.
  12. Apr 6, 2022 #10
    D.Tibbitt

    D.Tibbitt Road Train Member

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    if you think thats bad wait until you need a new dpf or egr cooler.
     
    D.Tibbitt, Apr 6, 2022
    D.Tibbitt, Apr 6, 2022
    #10
    Brettj3876 and Vampire Thank this.
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