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Diagnostic Trouble Code Table

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.

ELECTRONIC POWER STEERING SYSTEM DIAGNOSTIC TROUBLE CODE TABLE

DTC Code Detection Item Trouble Area Reference
C1511 Torque Sensor Circuit Malfunction Wire harness
Torque sensor (built into power steering gear assembly)
Power steering ECU
Refer to DTC C1511: Torque Sensor Circuit Malfunction
C1512 Torque Sensor Circuit Malfunction Wire harness
Torque sensor (built into power steering gear assembly)
Power steering ECU
Refer to DTC C1512: Torque Sensor Circuit Malfunction
C1513 Torque Sensor Circuit Malfunction Wire harness
Torque sensor (built into power steering gear assembly)
Power steering ECU
Refer to DTC C1513: Torque Sensor Circuit Malfunction
C1515 Torque Sensor Zero Point Adjustment Undone Wire harness
Torque sensor (built into power steering gear assembly)
Power steering ECU
Refer to DTC C1515: Torque Sensor Zero Point Adjustment Undone
C1516 Torque Sensor Zero Point Adjustment Incomplete Wire harness
Torque sensor (built into power steering gear assembly)
Power steering ECU
Refer to DTC C1516: Torque Sensor Zero Point Adjustment Incomplete
C1521 Motor Circuit Malfunction Wire harness
Power steering motor (built into power steering gear assembly)
Power steering ECU
Refer to DTC C1521: Motor Circuit Malfunction
C1522 Motor Circuit Malfunction Wire harness
Power steering motor (built into power steering gear assembly)
Power steering ECU
Refer to DTC C1522: Motor Circuit Malfunction
C1523 Motor Circuit Malfunction Wire harness
Power steering motor (built into power steering gear assembly)
Power steering ECU
Refer to DTC C1523: Motor Circuit Malfunction
C1524 Motor Circuit Malfunction Wire harness
Power steering motor (built into power steering gear assembly)
Power steering ECU
Refer to DTC C1524: Motor Circuit Malfunction
C1525 Rotation Angle Sensor Initialization Undone Motor rotation angle sensor (built into power steering gear assembly)
Wire harness
Power steering ECU
Refer to DTC C1525: Rotation Angle Sensor Initialization Undone
C1526 Rotation Angle Sensor Initialization Incomplete Motor rotation angle sensor (built into power steering gear assembly)
Wire harness
Power steering ECU
Refer to DTC C1526: Rotation Angle Sensor Initialization Incomplete
C1528 Motor Rotation Angle Sensor Malfunction Motor rotation angle sensor (built into power steering gear assembly)
Wire harness
Power steering ECU
Refer to DTC C1528: Motor Rotation Angle Sensor Malfunction
C1531 ECU Malfunction Power steering ECU Refer to DTC C1531: ECU Malfunction
C1532 ECU Malfunction Wire harness
Power steering motor (built into power steering gear assembly)
Power steering ECU
Refer to DTC C1532: ECU Malfunction
C1533 ECU Malfunction Power steering ECU Refer to DTC C1533: ECU Malfunction
C1534 ECU Malfunction Power steering ECU Refer to DTC C1534: ECU Malfunction
C1541 Vehicle Speed Signal Malfunction Speed sensor circuit
Skid control ECU
CAN communication system
Power steering ECU
Refer to DTC C1541: Vehicle Speed Signal Malfunction
C1552 PIG Power Supply Voltage Malfunction Wire harness
Power steering converter assembly
Power steering ECU
Refer to DTC C1552: PIG Power Supply Voltage Malfunction
C1555 Motor Relay Welding Failure Wire harness
Power steering motor (built into power steering gear assembly)
Power steering ECU
Refer to DTC C1555: Motor Relay Welding Failure
C1563 DC/DC Converter IG Power Supply Voltage Wire harness
Power steering converter assembly
Refer to DTC C1563: DC/DC Converter IG Power Supply Voltage
C1564 Lost Communication with WDD Signal of DC/DC Converter Wire harness
Power steering converter assembly
Power steering ECU
Refer to DTC C1564: Lost Communication with WDD Signal of DC/DC Converter
C1565 Lost Communication with LDD/ASST Signal of DC/DC Converter Wire harness
Power steering converter assembly
Power steering ECU
Refer to DTC C1565: Lost Communication with LDD/ASST Signal of DC/DC Converter
C1567 Lost Communication between EPS ECU and VGRS ECU Power steering ECU
Steering angle sensor
Refer to DTC C1567: Lost Communication between EPS ECU and VGRS ECU
C1568 DC-DC Converter Malfunction Power steering converter assembly Refer to DTC C1568: DC-DC Converter Malfunction
C1569 Battery Power Supply Voltage Malfunction EPS fuse
Wire harness
Power steering ECU
Refer to DTC C1569: Battery Power Supply Voltage Malfunction
C1581 Assist Map Number Un-Writing CAN communication system
Power steering ECU
Suspension control ECU
Refer to DTC C1581: Assist Map Number Un-Writing
U0100 Lost Communication with ECM/PCM "A" CAN communication system
ECM
Refer to DTC U0100: Lost Communication with ECM/PCM "A"
U0129 Lost Communication with Brake System Control Module CAN communication system
Skid control ECU
Refer to DTC U0129: Lost Communication with Brake System Control Module
U0130 Lost Communication with Steering Effort Control Module CAN communication system
VGRS control ECU
Refer to DTC U0130: Lost Communication with Steering Effort Control Module
U1104 Lost Communication with Driving Support ECU CAN communication system
Driving control ECU
Refer to DTC U1104: Lost Communication with Driving Support ECU
U1105 Lost Communication with Parking Assist ECU CAN communication system
Parking assist control ECU
Refer to DTC U1105: Lost Communication with Parking Assist ECU