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P1780 Diagnostic Trouble Code Discussion for April 2010

Park/Neutral Position Switch Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1780
Help Request Posted
2002 Saturn L300 3.0L MIL Lamp on VIN: 1G8JW54R52
P1780: Torque Reduction Request Failed. ... enough it stalled. Found all 3 codes listed, and no signal from crank sensor when hot. R&R crank sensor. Let run and test drive seems ok. Cleared codes and P0050 and P1780 come back rig...
April 08, 2010