POWER STEERING SYSTEM > DIAGNOSTIC TROUBLE CODE CHART

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HINT:

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	Trouble Area	Return-to-normal Condition	P/S Warning Light	See page
C1511	Torque Sensor Circuit Malfunction	1. Steering column assembly (Torque sensor) 2. Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1512	Torque Sensor Circuit Malfunction	1. Steering column assembly (Torque sensor) 2. Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1513	Torque Sensor Circuit Malfunction	1. Steering column assembly (Torque sensor) 2. Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1514	Torque Sensor Power Supply Abnormal	1. Steering column assembly (Torque sensor) 2. Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1515	Torque Sensor Zero Point Adjustment Undone	-	Zero point calibration occurs	*1	Click here
C1516	Torque Sensor Zero Point Adjustment Incomplete	-	Clear DTC	*1	Click here
C1517	Torque Hold Abnormal	1. Steering column assembly (Torque sensor) 2. Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1521	Motor Circuit Malfunction	Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1522	Motor Circuit Malfunction	1. Steering column assembly 2. Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1523	Motor Circuit Malfunction	1. Steering column assembly 2. Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1524	Motor Circuit Malfunction	1. Steering column assembly 2. Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1525	Rotation Angle Sensor Initialization Undone	-	Rotation angle sensor calibration occurs	*1	Click here
C1526	Rotation Angle Sensor Initialization Incomplete	-	Clear DTC	*1	Click here
C1528	Motor Rotation Angle Sensor Malfunction	1. Steering column assembly (Motor rotation angle sensor) 2. Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1531	ECU Malfunction	Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1532	ECU Malfunction	Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1533	ECU Malfunction	Power steering ECU assembly	After normal judgment	*2	Click here
C1534	ECU Malfunction	Power steering ECU assembly	After normal judgment	*2	Click here
C1541	Vehicle Speed Signal Malfunction	1. Speed sensor circuit 2. Skid control ECU 3. CAN communication system 4. Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1551	IG Power Supply Voltage Malfunction	1. ECU-IG No. 2 fuse 2. IG power source circuit 3. Power steering ECU assembly	Power switch on (IG) again or after normal confirmation	*1	Click here
C1552	PIG Power Supply Voltage Malfunction	1. EPS fuse 2. PIG power source circuit 3. Power steering ECU assembly	Power switch on (IG) again or after normal confirmation	*1	Click here
C1554	Power Supply Relay Failure	1. EPS fuse 2. PIG power source circuit 3. Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1555	Motor Relay Welding Failure	1. Steering column assembly 2. Power steering ECU assembly	Power switch on (IG) again	*1	Click here
C1581	Assist Map Number Un-Writing	1. Power steering ECU assembly 2. CAN communication system 3. Hybrid control system	Assist map written	*1	Click here
C1582	Assist Map Number Mismatch	1. Power steering ECU assembly 2. CAN communication system 3. Power management control ECU	Power switch on (IG) again	*1	Click here
U0129	Lost Communication with Brake System Control Module	1. CAN communication system 2. Skid control ECU	After normal confirmation	*1	Click here
U0293	Lost Communication with HV ECU	1. CAN communication system 2. Power management control ECU	After normal confirmation	*1	Click here

HINT:

*1: Warning light comes on
*2: Warning light turns off