Ford P1547 OBD-II Trouble Code Definition: P1547 A/C System Performance Degraded P1547 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P1547 A/C System Performance Degraded Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. VAG OBD Trouble Code P1547 Boost Pressure Contr.Valve Short to Ground Sorry no other information,Please help us to improve,Any information is […]