cascadia dd15 cant go over 55mph

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by 4noReason, Aug 3, 2018.

  1. StillBreathin2018

    StillBreathin2018 Bobtail Member

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    Dec 4, 2018
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    I
    Mechanic told me that he's 99% positive ACM is bad. Have to buy new ACM since my issues was no communication error and J1939. Nothing was wrong with my ACM, then he cut all those zip ties and opened up and check every inch of each wires in the harness. Found some wires that are rubbed through. There's 20 gauges I think and they're too small. Good Luck.
     
    Last edited: Feb 26, 2019
    4noReason Thanks this.
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  3. StillBreathin2018

    StillBreathin2018 Bobtail Member

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    Dec 4, 2018
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  5. 4noReason

    4noReason Road Train Member

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    yup he said my acm bad. then told ne its in wiring. so yours was the engine harness then? the harness below from acm to ecm or the main engine harness. im crossing fingers they could find it.
     
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