Ford P1642 OBD-II Trouble Code Definition: P1642 FC Relay 2 And 3 Control Circuit P1642 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P1642 FC Relay 2 And 3 Control Circuit Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. OBD Trouble Code P1642 Non Immobilizer ECU Equipped Sorry no other information,Please help us to […]