C1521 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1521 – Power Steering Motor Circuit Malfunction


C1521 Possible Symptoms


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


C1521 Possible Causes


Faulty Power Steering Gear Assembly with Motor,Power Steering Gear Assembly with Motor harness is open or shorted,Power Steering Gear Assembly with Motor circuit poor electrical connection,Faulty Power Steering ECU


C1521 Description


The Power Steering ECU supplies current to the Power Steering Motor through this circuit. The Power Steering ECU monitors the Power Steering Motor. The Power Steering ECU sets the OBDII code when the Power Steering Motor is not to factory specifications.