C1601 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C1601 – Electric Power Steering Battery Power Supply
C1601 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C1601 Possible Causes
Faulty Electric Power Steering (EPS) Control Unit,EPS Control Unit harness is open or shorted,EPS Control Unit circuit poor electrical connection
The Electric Power Steering (EPS) Control Unit receives power from the battery and then provides power to the EPS DC/DC converter and EPS motor control circuit. (Or EPS Control Unit receives power for EPS DC/DC converter and EPS motor control circuit from the battery.) The EPS Control Unit sets the ODBII code when the power supply malfunction supplied to EPS control unit is detected.