Diagnostic Trouble Code Chart: Notes

HINT.

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to table below.

Power steering system

DIAGNOSTIC TROUBLE CODE CHART

DTC Code	Detection Item	Trouble Area
C1511	Torque Sensor Circuit Malfunction	Harness or connector Torque sensor (built into power steering gear assembly) Power steering ECU
C1512	Torque Sensor Circuit Malfunction	Harness or connector Torque sensor (built into power steering gear assembly) Power steering ECU
C1513	Torque Sensor Circuit Malfunction	Harness or connector Torque sensor (built into power steering gear assembly) Power steering ECU
C1515	Torque Sensor Zero Point Adjustment Undone	There is no malfunction if this DTC is not output again after performing zero point calibration
C1516	Torque Sensor Zero Point Adjustment Incomplete	There is no malfunction if this DTC is not output again after clearing the DTCs and torque sensor calibration value, and performing zero point calibration
C1521	Motor Circuit Malfunction	Harness or connector Power steering motor (built into power steering gear assembly) Power steering ECU
C1522	Motor Circuit Malfunction	Harness or connector Power steering motor (built into power steering gear assembly) Power steering ECU
C1523	Motor Circuit Malfunction	Harness or connector Power steering motor (built into power steering gear assembly) Power steering ECU
C1524	Motor Circuit Malfunction	Harness or connector Power steering motor (built into power steering gear assembly) Power steering ECU
C1525	Rotation Angle Sensor Initialization Undone	There is no malfunction if this DTC is not output again after performing rotation angle sensor value initialization
C1526	Rotation Angle Sensor Initialization Incomplete	There is no malfunction if this DTC is not output again after clearing the DTCs and torque sensor calibration value, and performing rotation angle sensor value initialization
C1528	Motor Rotation Angle Sensor Malfunction	Motor rotation angle sensor (built into power steering gear assembly) Harness or connector Power steering ground wire Power steering ECU
C1531	ECU Malfunction	Power steering ECU
C1532	ECU Malfunction	Power steering ECU
C1533	ECU Malfunction	Power steering ECU
C1534	ECU Malfunction	Power steering ECU
C1541	Vehicle Speed Signal Malfunction	Speed sensor circuit Skid control ECU CAN communication system Power steering ECU
C1546	Malfunction in HV ECU	Hybrid control system
C1552	PIG Power Supply Voltage Malfunction	Harness or connector Power steering converter assembly Power steering ECU
C1555	Motor Relay Welding Failure	Harness or connector Power steering motor (built into power steering gear assembly) Power steering ECU
C1562	DC / DC Converter PIG Power Supply Voltage	Hybrid control system EPS/AC100V fuse Power steering converter assembly Harness or connector
C1564	Lost Communication with WDD Signal of DC / DC Converter	Harness or connector Power steering converter assembly Power steering ECU
C1565	Lost Communication with LDD/ASST Signal of DC / DC Converter	Harness or connector Power steering converter assembly Power steering ECU
C1566	Lost Communication with PSOK Signal of DC / DC Converter	Hybrid control system Harness or connector Power steering converter assembly Power steering ECU
C1568	DC-DC Converter Malfunction	Harness or connector Power steering converter assembly Active stabilizer suspension system
C1569	Battery Power Supply Voltage Malfunction	EPS ECU fuse Harness or connector Power steering ECU
C1581	Assist Map Number Un-Writing	CAN communication system Power steering ECU Suspension control ECU
U0129	Lost Communication with Brake System Control Module	CAN communication system Skid control ECU
U0130	Lost Communication with Steering Effort Control Module	CAN communication system VGRS control ECU
U1104	Lost Communication with Driving Support ECU	CAN communication system Driving control ECU
U1105	Lost Communication with Parking Assist ECU	CAN communication system Parking assist control ECU