Dropping all gears, 2012 Prostar auto tranny

Discussion in 'International Forum' started by Edgrmndz, Feb 12, 2020.

  1. Edgrmndz

    Edgrmndz Bobtail Member

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    Feb 15, 2016
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    When in any gear, the truck loses acceleration and the gears start shifting down all the way to 1sr gear if I let it; I have to put it on neutral and then in drive and it will go back to normal but only for a little while and will do it again.

    The computer code is " power down in gear...ID 560".
     
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  3. Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    Sounds like the trans is losing battery power.
     
    Black bart Thanks this.
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