Ford B1438 OBD-II Trouble Code Definition: B1438 Wiper Mode Select Switch Circuit Failure B1438 Ford OBD-II Trouble CodeDescription: OBD Trouble Code B1438 Wiper mode select switch circuit failure Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. OBD Trouble Code B1438 IPC High Voltage Output Overcurrent to IPM Sorry no other information,Please help us […]