Ford P1805 OBD-II Trouble Code Definition: P1805 Immobilizer EEPROM Error P1805 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P1805 Immobilizer EEPROM Error Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. PSA OBD Trouble Code P1805 Transmission 4-wheel drive High indicator Open circuit Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. […]