C1186 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C1186 – ABS Power Relay Output Open Circuit
C1186 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C1186 Possible Causes
Faulty ABS Power Relay,ABS Power Relay harness is open or shorted,ABS Power Relay circuit poor electrical connection
The Anti-Lock Brake System (ABS) Module monitors the ABS Power Relay. The ABS Module sets the OBDII code when the ABS Power Relay is not to factory specifications.