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SPN 5394 FMI 5

Discussion in 'Volvo Forum' started by NWAF, Jun 20, 2016.

  1. Jun 20, 2016 #1
    NWAF

    NWAF Light Load Member

    74
    36
    Dec 12, 2014
    0
    I have a code that came up and derates the truck. The code is SPN 5394 fmi 5. "Aftertteatment def dosing valve current below normal or open circuit" Anyone been through this before? Its a cummins isx
     
    NWAF, Jun 20, 2016
    NWAF, Jun 20, 2016
    #1
    Mfayaz14 Thanks this.
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  3. Jun 23, 2016 #2
    cumminskid123

    cumminskid123 Light Load Member

    107
    59
    Jun 21, 2016
    Manitoba, Canada
    0
    check resistance on the dosing valve, should be 11 to 18 ohms, if you dont have that, replace it. if its within spec. checked the wiring from the DEF controller connector to the dosing valve, pin 12 and 32 on the DEF controller go to the dosing valve, you can check resistance from controller to the valve. let me know if you need more advice, should be a pretty easy fix. to change it is really simple, just pinch off the coolant lines so you dont have to drain the cooling system.
     
    cumminskid123, Jun 23, 2016
    cumminskid123, Jun 23, 2016
    #2
    mitmaks and QUALITYTRUCK Thank this.
  4. Jun 30, 2016 #3
    cumminskid123

    cumminskid123 Light Load Member

    107
    59
    Jun 21, 2016
    Manitoba, Canada
    0
    any luck my friend?
     
    cumminskid123, Jun 30, 2016
    cumminskid123, Jun 30, 2016
    #3
  5. Jun 30, 2016 #4
    NWAF

    NWAF Light Load Member

    74
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    Dec 12, 2014
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    Unfortunately, i changed the doser it didnt help, checked all the connections everything seems fine. Kind of running out of options
     
    NWAF, Jun 30, 2016
    NWAF, Jun 30, 2016
    #4
  7. Jul 6, 2016 #5
    cumminskid123

    cumminskid123 Light Load Member

    107
    59
    Jun 21, 2016
    Manitoba, Canada
    0
    did you check the resistance in the wires from the controller to the doser?
     
    cumminskid123, Jul 6, 2016
    cumminskid123, Jul 6, 2016
    #5
    NWAF Thanks this.
  8. Jul 6, 2016 #6
    NWAF

    NWAF Light Load Member

    74
    36
    Dec 12, 2014
    0
    Sorry i forgot to update the post, issue has been resolved. I did the right thing by changing the doser. I had a theory that after changing the doser i would fully power down the truck with the kill switch so it would kind of reset the ecm. Turns out you have to go in the ecm via the computer and delete the code for it to fully clear the old code. My friend cleared it and its running good so far. Thanks again for the help
     
    Last edited: Jul 6, 2016
    NWAF, Jul 6, 2016
    NWAF, Jul 6, 2016
    #6
    mitmaks Thanks this.
  9. Jul 11, 2016 #7
    cumminskid123

    cumminskid123 Light Load Member

    107
    59
    Jun 21, 2016
    Manitoba, Canada
    0
    anytime brother, keep on truckin'
     
    cumminskid123, Jul 11, 2016
    cumminskid123, Jul 11, 2016
    #7
  10. Dec 9, 2019 #8
    LibertyFreight

    LibertyFreight Bobtail Member

    3
    2
    Nov 22, 2019
    0
    Which doser valve? DEF or DPF doser
     
    Last edited: Dec 9, 2019
    LibertyFreight, Dec 9, 2019
    LibertyFreight, Dec 9, 2019
    #8
    mitmaks Thanks this.
  11. Feb 5, 2020 #9
    mitmaks

    mitmaks Road Train Member

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    May 16, 2014
    0
    Is it still running without issues
     
    mitmaks, Feb 5, 2020
    mitmaks, Feb 5, 2020
    #9
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