Peterbilt 389 SPN codes

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Sass777, Sep 14, 2020.

  1. Sass777

    Sass777 Bobtail Member

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    Sep 14, 2020
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    I got a 14 Peterbilt 389 with ISX Cummins. Got 5 codes- 520200 fmi 31, 520198, 520197, 520196, and 520195 all fmi 5. Got a clue what these relate too? Not finding a solid answer on google.
     
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  3. Goodysnap

    Goodysnap Road Train Member

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    8,949
    Jul 12, 2017
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    I dont think these are engine codes, maybe cab?

    Need to hook up.
     
    spsauerland Thanks this.
  4. '06 379

    '06 379 Bobtail Member

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    Jan 19, 2021
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    We have a 14 389 with the same codes. On ours the factory nav/radio screen doesn't work either. Does your screen/radio still work?
     
  5. nelsonAT

    nelsonAT Bobtail Member

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    Dec 20, 2021
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    did you ever figure it out?
     
  6. TOPSHELF806

    TOPSHELF806 Bobtail Member

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    Sep 27, 2022
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    I got same codes on my 2012 389. And a friend does om 2015 389. But running like #### on and off amd sound bad. Anyone find out what they are.
     
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