Ford P1755 OBD-II Trouble Code Definition: P1755 Lamp ¡®D¡¯ P1755 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P1755 Lamp ¡®D¡¯ Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. PSA OBD Trouble Code P1755 Intermediate speed sensor (ISS) malfunction Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. […]