| DTC No. | Detection Item | DTC Detection Condition | Warning Indicate | Return-to-normal Condition | Note | Link |
|---|---|---|---|---|---|---|
| C1511 | Torque Sensor1 | Torque sensor malfunction | EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1512 | Torque Sensor2 | Torque sensor malfunction | EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1513 | Torque Sensor Deviation Excessive | Torque sensor malfunction | EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1514 | Torque Sensor Power Supply Voltage | Torque sensor malfunction | EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1515 | Torque Sensor Zero Point Adjustment Undone | This DTC is stored when torque sensor zero point calibration has not been performed. | EPS warning light: Comes on | Zero point calibration occurs | There is no malfunction if this DTC is not output again after performing zero point calibration. | |
| C1516 | Torque Sensor Zero Point Adjustment Incomplete | Torque sensor zero point calibration is incomplete due to the steering wheel being touched during calibration. | EPS warning light: Comes on | Clear DTC | There is no malfunction if this DTC is not output again after clearing the DTCs and torque sensor calibration value, and performing zero point calibration. | |
| C1517 | Torque Hold | Torque sensor malfunction | EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1521 | Short in Motor Circuit | Motor overcurrent | EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1522 | Power Supply Sensor | Motor current sensor malfunction | EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1523 | Current Deviation Excessive | Excessively large current deviation | EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1524 | Motor Terminal Voltage | Short (or open) in motor circuit or abnormal voltage or current in motor circuit | EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1528 | Motor Rotation Angle Sensor | Motor rotation angle sensor malfunction | EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1531 | ECU Malfunction | ECU internal malfunction (CPU malfunction) |
EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1532 | ECU Malfunction | ECU internal malfunction (Peripheral circuit malfunction) |
EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1533 | Temperature Sensor Circuit is Low or High | ECU internal malfunction (Substrate temperature sensor malfunction) |
EPS warning light: Does not come on | Power switch on (IG) again | - | |
| C1534 | EEPROM | ECU internal malfunction (EEPROM error) |
EPS warning light: Torque sensor zero point adjustment is set to the default value and control is continued. In this case, the warning light illuminates. | Power switch on (IG) again | - | |
| C1541 | Vehicle Speed Signal | This DTC is detected when vehicle speed signals via CAN communication are cut off for 3 seconds or more. | EPS warning light: Comes on | After normal confirmation | - | |
| C1551 | IG Power Supply Voltage | Open or short in IG power source circuit with power switch on (IG) | EPS warning light: Comes on | After normal confirmation | - | |
| C1552 | PIG Power Supply Voltage | PIG power source circuit malfunction | EPS warning light: Comes on | After normal confirmation | - | |
| C1554 | Power Supply Relay Failure | Power source relay circuit malfunction | EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1555 | Motor Relay Welding Failure | Motor relay circuit malfunction | EPS warning light: Comes on | Power switch on (IG) again | - | |
| C1581 | Assist Map Number Un-Writing | Assist map not written in power steering ECU assembly | EPS warning light: Comes on | Assist map written | - | |
| C1582 | Assist Map Number Mismatch | Assist map number mismatch | EPS warning light: Does not come on | Clear assist map and assist map written | - | |
| U0129 | Lost Communication with Brake System Control Module | Lost communication with skid control ECU | 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. | After normal confirmation | - | |
| U0293 | Lost Communication with Hybrid Control Module | Lost communication with hybrid vehicle control ECU assembly | EPS warning light: Comes on | After normal confirmation | - | |
| U1110 | Lost Communication with Clearance Sonar Module | Lost communication with clearance warning ECU assembly | EPS warning light: Comes on | After normal confirmation | - |