Dodge P1642 FC Relay 2 And 3 Control Circuit Description OBD-II Trouble Code Description for P1642 Dodge FC Relay 2 And 3 Control Circuit OBD-II Trouble Code Description for P1642 Dodge Non Immobilizer ECU Equipped PSA OBD-II Trouble Code Description for P1642 Dodge Fuel pump monitor circuit High input VAG OBD-II Trouble Code Description for P1642 Dodge Please check DTC Memory of Airbag ECU