Need help with a code

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by JJDuran, Feb 26, 2020.

  1. JJDuran

    JJDuran Bobtail Member

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    Feb 26, 2020
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    My truck is a 2015 freightliner dd15 and its showing a code SPN 525 FMI 7 I recently changed a battery and then this code showed up with a check engine light. It's a automatic transmission it would try to engage to a gear until it stops
     
    truckdriver31 Thanks this.
  2. truckdriver31

    truckdriver31 Road Train Member

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    Sep 18, 2013
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    give it 24 hours of key on key off. maybe it clears it self
     
    Flat Earth Trucker and JJDuran Thank this.
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