Ford P1866 OBD-II Trouble Code Definition: P1866 Transmission transfer case system concern – Setting required P1866 Ford OBD-II Trouble CodeDescription: PSA OBD Trouble Code P1866 Transmission transfer case system concern – Setting required Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. VAG OBD Trouble Code P1866 Data Bus Powertrain Missing messages Sorry no […]