POWER STEERING SYSTEM DIAGNOSTIC TROUBLE CODE CHART
Tech Tips
If any DTCs are displayed during the DTC check, inspect the circuit listed for those DTCs. For details of each DTC, refer to the page indicated in the DTC chart.
| DTC Code | Detection Item | Normal Return | EPS Warning Light | See page |
|---|---|---|---|---|
| C1511/11 | Torque Sensor 1 Malfunction | Ignition switch ON again | Comes on | |
| C1512/11 | Torque Sensor 2 Malfunction | Ignition switch ON again | Comes on | |
| C1513/11 | Torque Sensor Deviation Excessive | Ignition switch ON again | Comes on | |
| C1514/11 | Torque Sensor Power Supply Voltage Malfunction | Ignition switch ON again | Comes on | |
| C1521/25 | Short in Motor Circuit | Ignition switch ON again | Comes on | |
| C1524/24 | Motor Terminal Voltage Malfunction | Ignition switch ON again | Comes on | |
| C1531/25 | ECU Malfunction | Ignition switch ON again | Comes on | |
| C1532/25 | ECU Malfunction | Ignition switch ON again | Comes on | |
| C1533/25 | Temperature Sensor Circuit is Low or High | After normal condition |
Does not come on | |
| C1534/25 | EEPROM Malfunction | Ignition switch ON again | Does not come on*1 | |
| C1541/13 | Vehicle Speed Signal | Ignition switch ON again | Comes on | |
| C1551/25 | IG Power Supply Voltage Malfunction | After normal condition |
Comes on | |
| C1552/22 | PIG Power Supply Voltage Malfunction | After normal condition |
Comes on | |
| C1554/23 | Power Supply Relay Failure | Ignition switch ON again | Comes on | |
| C1555/25 | Motor Relay Welding Failure | Ignition switch ON again | Comes on | |
| C1581/26 | Assist Map Number Un-Writing | Assist map written | Comes on | |
| C1582/26 | Assist Map Number Mismatch | Ignition switch ON again |
Does not come on | |
| U0100/41 | Lost Communication with ECM/PCM "A" | After normal condition |
Does not come on*2 |
|
| U0129/42 | Lost Communication with Brake System Control Module | After normal condition |
Comes on | |
| U1103/92 | Lost Communication with Stop and Start Control Module | Ignition switch ON again | Does not come on*3 |
*1: The offset is set to the default value and control is continued. In this case, the warning light illuminates.
*2: 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.
*3: w/ Stop and Start System