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 | Return-to-normal Condition | EPS Warning Light | See page |
|---|---|---|---|---|
| C1511/11 | Torque Sensor 1 Malfunction | Power switch on (IG) again | *1 | |
| C1512/11 | Torque Sensor 2 Malfunction | Power switch on (IG) again | *1 | |
| C1513/11 | Torque Sensor Deviation Excessive | Power switch on (IG) again | *1 | |
| C1514/11 | Torque Sensor Power Supply Voltage Malfunction | Power switch on (IG) again | *1 | |
| C1521/25 | Short in Motor Circuit | Power switch on (IG) again | *1 | |
| C1524/24 | Motor Circuit Malfunction | Power switch on (IG) again | *1 | |
| C1528/12 | Motor Rotation Angle Sensor Malfunction | Power switch on (IG) again | *1 | |
| C1531/25 | ECU Malfunction | Power switch on (IG) again | *1 | |
| C1532/25 | ECU Malfunction | Power switch on (IG) again | *1 | |
| C1533/25 | Temperature Sensor Circuit is Low or High | After normal judgment | *2 | |
| C1534/25 | EEPROM Malfunction | After normal judgment | *3 | |
| C1541/13 | Vehicle Speed Signal | Power switch on (IG) again | *1 | |
| C1551/25 | IG Power Supply Voltage Malfunction | Power switch on (IG) again or after normal confirmation | *1 | |
| C1552/22 | PIG Power Supply Voltage Malfunction | Power switch on (IG) again or after normal confirmation | *1 | |
| C1554/23 | Power Supply Relay Failure | Power switch on (IG) again | *1 | |
| C1555/25 | Motor Relay Welding Failure | Power switch on (IG) again | *1 | |
| C1581/26 | Assist Map Number Un-Writing | Assist map written | *1 | |
| C1582/26 | Assist Map Number Mismatch | Power switch on (IG) again | *2 | |
| U0129/42 | Lost Communication with Brake System Control Module | After normal confirmation | *1 | |
| U0293/41 | Lost Communication with Hybrid Control Module | After normal confirmation | *1 |
Tech Tips
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*1: Warning light comes on
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*2: Warning light turns off
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*3: Set with default value and it continues the control. In this case, the warning light illuminates.