ecm

  1. S

    Lly no start after engine swap

    Got a shit show of a lly, story goes as follows. Had blown hg for years and motor finally let go, they swapped motors to a used one, couldn’t get it running come to find out motor was apart and never reassembled completely. Then a different guy took it down to short block and half way assembled...
    • Sethdavis09
    • Thread
    • ecm lly no start tcm
    • Replies: 1
    • Forum: LLY
  2. O

    2006 LBZ, no power on Camshaft position sensor signal wire or ECM pin 56

    Help! 2006 2500HD Allison LBZ. won't start, P0340 camshaft position sensor wiring 5 VOLT Reference to low reference is: 5 volts Camshaft signal to ground is: 0 volts, also pulled pin #56 at ECM also 0 volts here as well... Bad ECM? Is there anything that would cause 0 volts here? Thanks!
    • Onebadta
    • Thread
    • 5 volt bad ecm camshaft signal ecm p0340
    • Replies: 4
    • Forum: LBZ
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