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P1780 Diagnostic Trouble Code Discussion for June 2010

Park/Neutral Position Switch Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1780
Help Request Posted
2003 Saturn Vue 3.0L Surge VIN: 5GZCZ63B73
P1780: Torque Reduction Request Failed. Customer brought vehicle in to our shop. Had several codes, listed above. We replaced a known bad ground going to the throttle body. Tested the tps sensors, at the pedal, tested good. Did continuity check between pcm and tps sensors, checks out ok. Checked the...
June 24, 2010