C0181 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C0181 – Throttle Reduction Motor Circuit Malfunction


C0181 Possible Symptoms


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


C0181 Possible Causes


Faulty Throttle Reduction Motor,Throttle Reduction Motor harness is open or shorted,Throttle Reduction Motor circuit poor electrical connection


C0181 Description


Identifies an adjuster assembly motor circuit that is shorted to ground, shorted to voltage, or an open circuit. This malfunction will not allow the adjuster assembly motor to be controlled at the commanded current rate or will cause the driver circuit to allow current directly to ground.