Diagnostic Trouble Code Chart
ELECTRONIC POWER STEERING SYSTEM DIAGNOSTIC TROUBLE CODE CHART
| DTC Code | Detection Item | Trouble Area | Reference |
|---|---|---|---|
| C1511 | Torque Sensor Circuit Malfunction | Wire harness Torque senor (built into power steering gear assembly) Power steering ECU assembly |
Refer to DTC C1511: Torque Sensor Circuit Malfunction |
| C1512 | Torque Sensor Circuit Malfunction | Wire harness Torque senor (built into power steering gear assembly) Power steering ECU assembly |
Refer to DTC C1512: Torque Sensor Circuit Malfunction |
| C1513 | Torque Sensor Circuit Malfunction | Wire harness Torque senor (built into power steering gear assembly) Power steering ECU assembly |
Refer to DTC C1513: Torque Sensor Circuit Malfunction |
| C1515 | Torque Sensor Zero Point Adjustment Undone | - | Refer to DTC C1515: Torque Sensor Zero Point Adjustment Undone |
| C1516 | Torque Sensor Zero Point Adjustment Incomplete | - | 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 assembly |
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 assembly |
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 assembly |
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 assembly |
Refer to DTC C1524: Motor Circuit Malfunction |
| C1525 | Rotation Angle Sensor Initialization Undone | - | Refer to DTC C1525: Rotation Angle Sensor Initialization Undone |
| C1526 | Rotation Angle Sensor Initialization Incomplete | - | 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 earth wire Power steering ECU assembly |
Refer to DTC C1528: Motor Rotation Angle Sensor Malfunction |
| C1531 | ECU Malfunction | Power steering ECU assembly | Refer to DTC C1531: ECU Malfunction |
| C1532 | ECU Malfunction | Wire harness Power steering motor (built into power steering gear assembly) Power steering ECU assembly |
Refer to DTC C1532: ECU Malfunction |
| C1533 | ECU Malfunction | Power steering ECU assembly | Refer to DTC C1533: ECU Malfunction |
| C1534 | ECU Malfunction | Power steering ECU assembly | Refer to DTC C1534: ECU Malfunction |
| C1541 | Vehicle Speed Signal Malfunction | Speed sensor circuit Skid control ECU CAN communication system Power steering ECU assembly |
Refer to DTC C1541: Vehicle Speed Signal Malfunction |
| C1551 | IG Power Supply Voltage Malfunction | Power steering ECU assembly | Refer to DTC C1551: IG Power Supply Voltage Malfunction |
| C1552 | PIG Power Supply Voltage Malfunction | EPS fuse Wire harness Power steering ECU assembly |
Refer to DTC C1552: PIG Power Supply Voltage Malfunction |
| C1554 | Power Supply Relay Failure | Power steering ECU assembly | Refer to DTC C1554: Power Supply Relay Failure |
| C1555 | Motor Relay Welding Failure | Wire harness Power steering motor (built into power steering gear assembly) Power steering ECU assembly |
Refer to DTC C1555: Motor Relay Welding Failure |
| C1581 | Assist Map Number Un-Writing | ECM Gateway ECU Power steering ECU assembly |
Refer to DTC C1581: Assist Map Number Un-Writing |
| U0105 | Lost Communication with ECM | CAN communication system | Refer to DTC U0105: Lost Communication with ECM |
| U0121 | Lost Communication with Anti-lock Brake System (ABS) Control Module | CAN communication system | Refer to DTC U0121: Lost Communication with Anti-lock Brake System (ABS) Control Module |