Ford C1284 OBD-II Trouble Code Definition: C1284 Oil Pressure Switch Failure C1284 Ford OBD-II Trouble CodeDescription: OBD Trouble Code C1284 Oil pressure switch failure Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. OBD Trouble Code C1284 Lateral Accelerometer Sensor Bias Malfunction Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. […]