Ford B1601 OBD-II Trouble Code Definition: B1601 PATS Received Incorrect Key-Code From Ignition Key Transponder B1601 Ford OBD-II Trouble CodeDescription: B1601 PATS Received Incorrect Key-Code From Ignition Key Transponder OBDII Engine Light Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. […]