POWER STEERING SYSTEM DIAGNOSTIC TROUBLE CODE CHART
| DTC No. | Detection Item | DTC Detection Condition | Warning Indicate | Link |
|---|---|---|---|---|
| C1511 | Torque Sensor1 | Torque sensor malfunction | EPS warning light: Comes on | |
| C1512 | Torque Sensor2 | Torque sensor malfunction | EPS warning light: Comes on | |
| C1513 | Torque Sensor Deviation Excessive | Torque sensor malfunction | EPS warning light: Comes on | |
| C1514 | Torque Sensor Power Supply Voltage | Torque sensor malfunction | EPS warning light: Comes on | |
| C1521 | Short in Motor Circuit | Motor overcurrent | EPS warning light: Comes on | |
| C1524 | Motor Terminal Voltage | Short (or open) in motor circuit or abnormal voltage or current in motor circuit | EPS warning light: Comes on | |
| C1528 | Motor Rotation Angle Sensor | Motor rotation angle sensor malfunction | EPS warning light: Comes on | |
| C1531 | ECU Malfunction | ECU internal malfunction (CPU malfunction) |
EPS warning light: Comes on | |
| C1532 | ECU Malfunction | ECU internal malfunction (Peripheral circuit malfunction) |
EPS warning light: Comes on | |
| C1533 | Temperature Sensor Circuit is Low or High | ECU internal malfunction (Substrate temperature sensor malfunction) |
EPS warning light: Does not come on | |
| C1534 | EEPROM | ECU internal malfunction (EEPROM error) |
EPS warning light: Torque and motor rotation angle sensor adjustment is set to the default value and control is continued. In this case, the warning light illuminates. | |
| C1541 | Vehicle Speed Signal | Vehicle speed signals via CAN communication are cut off for 3 seconds or more. | EPS warning light: Comes on | |
| C1551 | IG Power Supply Voltage | Open or short in IG power source circuit with ignition switch ON | EPS warning light: Comes on | |
| C1552 | PIG Power Supply Voltage | PIG power source circuit malfunction | EPS warning light: Comes on | |
| C1554 | Power Supply Relay Failure | Power source relay circuit malfunction | EPS warning light: Comes on | |
| C1555 | Motor Relay Welding Failure | Motor relay circuit malfunction | EPS warning light: Comes on | |
| C1581 | Assist Map Number Un-Writing | Assist map not written in power steering ECU assembly | EPS warning light: Comes on | |
| C1582 | Assist Map Number Mismatch | Assist map number mismatch | EPS warning light: Does not come on | |
| U0100 | Lost Communication with ECM / PCM "A" | Lost communication with ECM | EPS warning light: When an error occurs during steering assist, the warning light does not illuminate. For errors that occur before assist (at the time of the decision to start assist), the warning light illuminates. | |
| U0129 | Lost Communication with Brake System Control Module | Lost communication with skid control ECU (brake actuator assembly) | EPS warning light: Comes on |