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P0851 Diagnostic Trouble Code Discussion for October 2012

Park Neutral Position Switch Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0851
Help Request Posted
2006 Subaru Legacy 2.5i 2.5L MIL Lamp on, MIL Flash, no miss VIN: 4S3BL62686
P0851: Park/Neutral Position Switch Circuit Low Input. ... running, engine is not missfiring and sets no missfire DTC's. Key on, Engine off, the cooling fan, A/C compressor, EGR solenoid continuously cycle on and off at around 1 to 2 second cycles. After clearing codes and let engine run for awhile, ECM sets DTC P...
October 23, 2012