Ford P1801 OBD-II Trouble Code Definition: P1801 Performance Selector Switch Failure P1801 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P1801 Performance Selector Switch Failure Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. OBD Trouble Code P1801 Immobilizer Transponder Error Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. PSA OBD Trouble […]