POWER STEERING SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Tech Tips

If any DTCs are displayed during the DTC check, inspect the circuit listed for those DTCs. For details of each DTC, refer to the page indicated in the DTC chart.

Power Steering System
DTC Code	Detection Item	Normal Return	EPS Warning Light	See page
C1511	Torque Sensor1	Ignition switch ON again	Turns On	Click here
C1512	Torque Sensor2	Ignition switch ON again	Turns On	Click here
C1513	Torque Sensor Deviation Excessive	Ignition switch ON again	Turns On	Click here
C1514	Torque Sensor Power Supply Voltage	Ignition switch ON again	Turns On	Click here
C1515	Torque Sensor Zero Point Adjustment Undone	After calibrating torque sensor zero point	Turns On	Click here
C1516	Torque Sensor Zero Point Adjustment Incomplete	Clear DTC	Turns On	Click here
C1517	Torque Hold	Ignition switch ON again	Turns On	Click here
C1524	Motor Circuit Malfunction	Ignition switch ON again	Turns On	Click here
C1531	ECU Malfunction	Ignition switch ON again	Turns On	Click here
C1532	ECU Malfunction	Ignition switch ON again	Turns On	Click here
C1533	ECU Malfunction	Ignition switch ON again	Turns On	Click here
C1534	ECU Malfunction	Ignition switch ON again	Turns On	Click here
C1535	ECU Malfunction	-	Turns On	Click here
C1551	IG Power Supply Voltage Malfunction	Ignition switch ON again or after normal condition	Turns On	Click here
C1552	PIG Power Supply Voltage Malfunction	Ignition switch ON again or after normal condition	Turns On	Click here
C1553	PIG Power Supply Overvoltage	Ignition switch ON again or after normal condition	Turns On	Click here
C1554	Power Supply Relay Failure	Ignition switch ON again	Turns On	Click here
C1555	Motor Relay Welding Failure	Ignition switch ON again	Turns On	Click here
C1581	Assist Map Number Un-Writing	Assist map write	Turns On	Click here
C1582	Assist Map Number Mismatch	Ignition switch ON again	Turns Off	Click here
U0100	Lost Communication with ECM / PCM "A"	Ignition switch ON again or after normal condition	Turns On	Click here
U0129	Lost Communication with Brake System Control Module	Ignition switch ON again or after normal condition	Turns On	Click here