Ford P1669 OBD-II Trouble Code Definition: P1669 ABS Unit Expected P1669 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P1669 ABS Unit Expected Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. VAG OBD Trouble Code P1669 Injector 4 – current circuit Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. […]