Ford P1787 OBD-II Trouble Code Definition: P1787 Transmission system problems P1787 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P1787 Transmission system problems Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. PSA OBD Trouble Code P1787 2-1 Downshift error Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. VAG OBD Trouble Code […]