Deff pump problem on 2011 Volvo D13

Discussion in 'Volvo Forum' started by aunimni, Apr 15, 2021.

  1. aunimni

    aunimni Bobtail Member

    11
    4
    Apr 16, 2016
    0
    Two days ago I got two codes on my Volvo.
    SPN 4376 FMI 5
    SPN 4376 FMI 7

    I used to hear deff pump running at least 20 seconds after I shut off tractor now it's only 3-5 seconds. Can anyone help me with this issue.

    Thanks in advance.
     
  2. Truckers Report Jobs

    Trucking Jobs in 30 seconds

    Every month 400 people find a job with the help of TruckersReport.

  3. Rob100100

    Rob100100 Light Load Member

    183
    106
    Mar 5, 2016
    0
    It might be your def return valve is stuck. Have to take it to a good shop. Your def system might not clean properly and derate you at some point. Called russian roulette if you ignore it for too long
     
    aunimni Thanks this.
  4. aunimni

    aunimni Bobtail Member

    11
    4
    Apr 16, 2016
    0
    Thanks. I will check ✔️
     
  5. Navreetgill

    Navreetgill Bobtail Member

    8
    2
    Apr 29, 2021
    0
    Systen delete
     
  6. aunimni

    aunimni Bobtail Member

    11
    4
    Apr 16, 2016
    0
    What is the meaning of that!?
     
  7. Truckwork2461

    Truckwork2461 Bobtail Member

    36
    11
    Feb 10, 2021
    0
    Def harness has an open circuit/rubbed wire. Need to check the harness or replace the harness. You also need to check for leaks in the def system such as the def flex pipe. If those don’t correct the issue then you will need a def pump replacement.
     
    aunimni Thanks this.
  8. aunimni

    aunimni Bobtail Member

    11
    4
    Apr 16, 2016
    0
    I checked the wires and harness and pipes everything looks good. I ordered the deff pump so we'll see. Let you know guys here what happened after replacement.
     
    Truckwork2461 Thanks this.
  9. aunimni

    aunimni Bobtail Member

    11
    4
    Apr 16, 2016
    0
    Where is the location of def return valve??
     
  • Truckers Report Jobs

    Trucking Jobs in 30 seconds

    Every month 400 people find a job with the help of TruckersReport.

  • Draft saved Draft deleted