Ford P1657 OBD-II Trouble Code Definition: P1657 1-4 Upshift Solenoid Control Circuit P1657 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P1657 1-4 Upshift Solenoid Control Circuit Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. VAG OBD Trouble Code P1657 A/C clutch relay circuit short to B+ Sorry no other information,Please help us to […]