LT fault codes

Discussion in 'International Forum' started by Drvred, Dec 28, 2020.

  1. Drvred

    Drvred Bobtail Member

    2
    0
    Dec 28, 2020
    0
    Where do I look to find these?
    My 2019 is showing SA 0 SPN 4331 FMI 18 OC1.
     
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  3. drlmi

    drlmi Light Load Member

    64
    65
    Aug 8, 2008
    Ypsilanti, MI
    0
    3754 None Aftertreatment 1 Diesel Exhaust Fluid Actual Dosing Quantity - Data Valid But Below Normal Operating Range - Moderately Severe Level

    4658 Amber Aftertreatment 1 Diesel Exhaust Fluid Actual Dosing Quantity - Data Valid But Below Normal Operating Range - Moderately Severe Level

    I have a 2015 prostar cm2350 Cummins. This is what a reverse search comes up with on Quickserv online. If you have a Cummins engine as well, this is probably at least close. The only differance between the two is if the amber engine light is turned on.
     
  4. Drvred

    Drvred Bobtail Member

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    Dec 28, 2020
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    Amber engine light was lit.
    I had 1/2 tank of DEF, light went out when I topped it off.
     
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