C1147 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C1147 – Switch-Over Solenoid Valve Line USV
C1147 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C1147 Possible Causes
Faulty ABS Actuator And Electric Unit,ABS Actuator And Electric Unit harness is open or shorted,ABS Actuator And Electric Unit circuit poor electrical connection
C1147 Description
VDC Switch-Over Solenoid Valve (USV) (Cut Valve): The cut valve shuts off the normal brake fluid path from the master cylinder when VDC/TCS is activated. The VDC Switch-Over Solenoid Valve (HSV) (Suction Valve): The suction valve supplies the brake fluid from the master cylinder to the pump, when VDC/TCS is activated. The Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit) monitors the Switch-Over Solenoid. The ABS Actuator And Electric Unit set the OBDII code when the Switch-Over Solenoid is not to factory specifications.