C1171 Ford

Ford C1171 OBD-II Trouble Code Definition:

C1171 Engine Check Signal

C1171 Ford OBD-II Trouble CodeDescription:

When is the obd code mean?
Engine Control Module (ECM) judges the communication between Vehicle Dynamic Control (VDC) control unit or Control Area Network (CAN)-Local Arear Network (LAN) converter (CLC) and ECM is abnormal.