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P1780 Diagnostic Trouble Code Discussion for April 2006

Park/Neutral Position Switch Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1780
Help Request Posted
2001 Lexus IS300 3.0L MIL Lamp on VIN: JTHBD18271
P1780: Park/Neutral Position Switch Circuit Malfunction. ... with cel on and code P1780 stored for the gear selector switch. I checked the wiring from the switch to the ecm and all i found was a bad spot in the switch in park position. Replaced switch and now the car is back with the same code. The gear indicator on...
April 27, 2006
2001 Lexus IS300 3.0L MIL Lamp on VIN: JTHBD18271
P1780: Park/Neutral Position Switch Circuit Malfunction. ... with cel on and code P1780 stored for the gear selector switch. I checked the wiring from the switch to the ecm and all i found was a bad spot in the switch in park position. Replaced switch and now the car is back with the same code. The gear indicator on...
April 27, 2006