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Diagnostic Trouble Code Chart

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 the "Reference" below.

POWER STEERING SYSTEM:

DTC Code Detection Item Trouble Area Normal Function Return Condition PS Warning Light Reference
C1511 Torque Sensor Circuit Malfunction - Steering column (torque sensor)
- Power steering ECU		 Ignition switch ON again Comes on Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction; DTC C1514: Torque Sensor Power Supply Abnormal; DTC C1517: Torque Hold Abnormal
C1512 Torque Sensor Circuit Malfunction - Steering column (torque sensor)
- Power steering ECU		 Ignition switch ON again Comes on Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction; DTC C1514: Torque Sensor Power Supply Abnormal; DTC C1517: Torque Hold Abnormal
C1513 Torque Sensor Circuit Malfunction - Steering column (torque sensor)
- Power steering ECU		 Ignition switch ON again Comes on Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction; DTC C1514: Torque Sensor Power Supply Abnormal; DTC C1517: Torque Hold Abnormal
C1514 Torque Sensor Power Supply Abnormal - Steering column (torque sensor)
- Power steering ECU		 Ignition switch ON again Comes on Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction; DTC C1514: Torque Sensor Power Supply Abnormal; DTC C1517: Torque Hold Abnormal
C1515 Torque Sensor Zero Point Adjustment Undone - Zero point calibration occurs Comes on Refer to DTC C1515: Torque Sensor Zero Point Adjustment Undone; DTC C1525: Rotation Angle Sensor Initialization Undone
C1516 Torque Sensor Zero Point Adjustment Incomplete - Clear DTC Comes on Refer to DTC C1516: Torque Sensor Zero Point Adjustment Incomplete; DTC C1526: Rotation Angle Sensor Initialization Incomplete
C1517 Torque Hold Abnormal - Steering column (torque sensor)
- Power steering ECU		 Ignition switch ON again Come on Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction; DTC C1514: Torque Sensor Power Supply Abnormal; DTC C1517: Torque Hold Abnormal
C1521 Motor Circuit Malfunction Power steering ECU Ignition switch ON again Comes on Refer to DTC C1521: Motor Circuit Malfunction; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction; DTC C1554: Power Supply Relay Failure
C1522 Motor Circuit Malfunction - Steering column
- Power steering ECU		 Ignition switch ON again Comes on Refer to DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1555: Motor Relay Welding Failure
C1523 Motor Circuit Malfunction - Steering column
- Power steering ECU		 Ignition switch ON again Comes on Refer to DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1555: Motor Relay Welding Failure
C1524 Motor Circuit Malfunction - Steering column
- Power steering ECU		 Ignition switch ON again Comes on Refer to DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1555: Motor Relay Welding Failure
C1525 Rotation Angle Sensor Initialization Undone - Rotation angle sensor calibration occurs Come on Refer to DTC C1515: Torque Sensor Zero Point Adjustment Undone; DTC C1525: Rotation Angle Sensor Initialization Undone
C1526 Rotation Angle Sensor Initialization Incomplete - Clear DTC Comes on Refer to DTC C1516: Torque Sensor Zero Point Adjustment Incomplete; DTC C1526: Rotation Angle Sensor Initialization Incomplete
C1528 Motor Rotation Angle Sensor Malfunction - Steering column
- Power steering ECU		 Ignition switch ON again Comes on Refer to DTC C1528: Motor Rotation Angle Sensor Malfunction
C1531 ECU Malfunction Power steering ECU Ignition switch ON again Comes on Refer to DTC C1521: Motor Circuit Malfunction; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction; DTC C1554: Power Supply Relay Failure
C1532 ECU Malfunction Power steering ECU Ignition switch ON again Comes on Refer to DTC C1521: Motor Circuit Malfunction; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction; DTC C1554: Power Supply Relay Failure
C1533 ECU Malfunction Power steering ECU After normal judgment Turns off (Normal reset) Refer to DTC C1521: Motor Circuit Malfunction; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction; DTC C1554: Power Supply Relay Failure
C1534 ECU Malfunction Power steering ECU Ignition switch ON again Turns off (Normal reset) Refer to DTC C1521: Motor Circuit Malfunction; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction; DTC C1554: Power Supply Relay Failure
C1541 Vehicle Speed Signal Malfunction - Speed sensor circuit
- Skid control ECU
- CAN communication system
- Power steering ECU		 After normal judgment Comes on Refer to DTC C1541: Vehicle Speed Signal Malfunction
C1551 IG Power Supply Voltage Malfunction - ECU-IG No. 1 fuse
- IG power source circuit
- Power steering ECU		 After normal judgment Comes on Refer to DTC C1551: IG Power Supply Voltage Malfunction
C1552 PIG Power Supply Voltage Malfunction - PIG power source circuit
- Power steering ECU		 After normal judgment Comes on Refer to DTC C1552: PIG Power Supply Voltage Malfunction
C1554 Power Supply Relay Failure Power steering ECU Ignition switch ON again Comes on Refer to DTC C1521: Motor Circuit Malfunction; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction; DTC C1554: Power Supply Relay Failure
C1555 Motor Relay Welding Failure Power steering ECU Ignition switch ON again Comes on Refer to DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1555: Motor Relay Welding Failure
C1581 Assist Map Number Un-Writing Power steering ECU Assist map write Comes on Refer to DTC C1581: Assist Map Number Un-Writing
U0100 Lost Communication with ECM / PCM "A" - CAN communication system
- ECM		 After normal communication Turns off (Normal reset) Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module
U0129 Lost Communication with Brake System Control Module - CAN communication system
- Skid control ECU		 After normal communication Comes on Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module
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