Help with codes...

Discussion in '5.9L 3rd Gen Cummins' started by 94250turbo, May 29, 2017.

  1. 94250turbo

    94250turbo Full Access Member

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    06 ram 2500 Cummins. Truck just shut off while I was driving it. Codes are p128d" TCM power control circuit 2 open" the second code is lost connection with pcm/ECM.
     
  2. Skidtech

    Skidtech Full Access Member

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    Usually it is something shorted to the 5v reference. Probably the fan clutch.

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