Ford C1237 OBD-II Trouble Code Definition: C1237 Speed Wheel Rear Input Signal Missing C1237 Ford OBD-II Trouble CodeDescription: OBD Trouble Code C1237 Wheel speed rear input signal missing Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. OBD Trouble Code C1237 High System Supply Voltage Sorry no other information,Please help us to improve,Any information […]