C1171 INFINITI – Engine Check Signal

C1171 INFINITI Possible Symptoms

Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)

C1171 INFINITI Possible Causes

Faulty Vehicle Dynamic Control (VDC) Control Unit,Vehicle Dynamic Control (VDC) Control Unit harness is open or shorted,Vehicle Dynamic Control (VDC) Control Unit circuit poor electrical connection,Faulty Engine Control Module (ECM)

C1171 INFINITI Description

The Engine Control Module (ECM) monitors the communication between Vehicle Dynamic Control (VDC) Control Unit or Control Area Network (CAN)-Local Area Network (LAN) Converter (CLC). The ECM sets the OBDII Code when the communication between the VDC and ECM is abnormal.