ELECTRONIC POWER STEERING SYSTEM > DIAGNOSTIC TROUBLE CODE CHART |
| DTC No. | Detection Item | Trouble Area | See page |
| C1511 | Torque Sensor Circuit Malfunction | 1. Wire harness or connector 2. Torque sensor (built into power steering link assembly) 3. Power steering ECU assembly |
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| C1512 | Torque Sensor Circuit Malfunction | 1. Wire harness or connector 2. Torque sensor (built into power steering link assembly) 3. Power steering ECU assembly |
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| C1513 | Torque Sensor Circuit Malfunction | 1. Wire harness or connector 2. Torque sensor (built into power steering link assembly) 3. Power steering ECU assembly |
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| C1515 | Torque Sensor Zero Point Adjustment Undone | - |
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| C1516 | Torque Sensor Zero Point Adjustment Incomplete | - |
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| C1521 | Motor Circuit Malfunction | 1. Wire harness or connector 2. Power steering motor 3. Power steering ECU assembly |
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| C1522 | Motor Circuit Malfunction | 1. Wire harness or connector 2. Power steering motor 3. Power steering ECU assembly |
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| C1523 | Motor Circuit Malfunction | 1. Wire harness or connector 2. Power steering motor 3. Power steering ECU assembly |
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| C1524 | Motor Circuit Malfunction | 1. Wire harness or connector 2. Power steering motor 3. Power steering ECU assembly |
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| C1525 | Rotation Angle Sensor Initialization Undone | - |
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| C1526 | Rotation Angle Sensor Initialization Incomplete | - |
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| C1528 | Motor Rotation Angle Sensor Malfunction | 1. Motor rotation angle sensor (built into power steering link assembly) 2. Wire harness or connector 3. Power steering earth wire 4. Power steering ECU assembly |
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| C1531 | ECU Malfunction | Power steering ECU assembly |
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| C1532 | ECU Malfunction | Power steering ECU assembly |
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| C1533 | ECU Malfunction | Power steering ECU assembly |
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| C1534 | ECU Malfunction | Power steering ECU assembly |
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| C1541 | Vehicle Speed Signal Malfunction | 1. Speed sensor circuit 2. Skid control ECU 3. CAN communication system 4. Power steering ECU assembly |
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| C1546 | Malfunction in HV ECU | Hybrid control system |
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| C1551 | IG Power Supply Voltage Malfunction | Power steering ECU assembly |
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| C1555 | Motor Relay Welding Failure | Power steering ECU assembly |
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| C1568 | DC-DC Converter Malfunction | 1. Power steering converter 2. Hybrid control system 3. EPS DDC fuse 4. Wire harness or connector 5. Power steering converter earth wire 6. Power steering ECU assembly |
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| C1569 | Battery Power Supply Voltage Malfunction | 1. Power source 2. Wire harness or connector 3. Power steering ECU assembly |
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| C1581 | Assist Map Number Un-Writing | Power steering ECU assembly |
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| U0073 | Control Module Communication Bus Off | CAN communication system |
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| U0105 | Lost Communication with ECM | 1. CAN communication system 2. HV control ECU (when only U0105 is output) |
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| U0121 | Lost Communication with Anti-lock Brake System (ABS) Control Module | 1. CAN communication system 2. Skid control ECU (when only U0121 is output) |
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