??dtc P0122 ???
I am having trouble with Banks Exhaust brake ( it wont kick on ) scanned with OB2 code came up P0122 , replaced accelerator position swtch , checked and there is definatley low voltage at plug,have to press fruther on pedal then it almost jumps any suggestions before I replace PCM ($130- 190)or Accelraor pedal assembly @ $410