Ford C1738 OBD-II Trouble Code Definition: C1738 Air Suspension RR Corner Down Timeout C1738 Ford OBD-II Trouble CodeDescription: OBD Trouble Code C1738 Air suspension RR corner down timeout Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. OBD Trouble Code C1738 Exhaust Solenoid Valve Short to GND Sorry no other information,Please help us to […]