2014 prostar codes when it rains need help

Discussion in 'International Forum' started by jb41131, Jan 28, 2019.

  1. Jan 28, 2019 #1
    jb41131

    jb41131 Bobtail Member

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    Jan 28, 2019
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    When it rains the def Gage and light goes crazy and I get a bunch of codes like1569-31 Truck runs well in dry wether.just had a bunch of wire harnesses replaced.still same codes. Was at the dealer for 3 weeks.
     
    jb41131, Jan 28, 2019
    jb41131, Jan 28, 2019
    #1
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  3. Jan 29, 2019 #2
    Heavyd

    Heavyd Road Train Member

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    Wiring loves to rub through around the fuse panel and def module under and behind the def tank.
     
    Heavyd, Jan 29, 2019
    Heavyd, Jan 29, 2019
    #2
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