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 | P/S Warning Light | See page |
|---|---|---|---|---|
| C1511 | Torque Sensor Circuit Malfunction | Ignition switch ON again | *1 | |
| C1512 | Torque Sensor Circuit Malfunction | Ignition switch ON again | *1 | |
| C1513 | Torque Sensor Circuit Malfunction | Ignition switch ON again | *1 | |
| C1514 | Torque Sensor Power Supply Abnormal | Ignition switch ON again | *1 | |
| C1515 | Torque Sensor Zero Point Adjustment Undone | Zero point calibration occurs | *1 | |
| C1516 | Torque Sensor Zero Point Adjustment Incomplete | Clear DTC | *1 | |
| C1517 | Torque Hold Abnormal | Ignition switch ON again | *1 | |
| C1521 | Motor Circuit Malfunction | Ignition switch ON again | *1 | |
| C1522 | Motor Circuit Malfunction | Ignition switch ON again | *1 | |
| C1523 | Motor Circuit Malfunction | Ignition switch ON again | *1 | |
| C1524 | Motor Circuit Malfunction | Ignition switch ON again | *1 | |
| C1528 | Motor Rotation Angle Sensor Malfunction | Ignition switch ON again | *1 | |
| C1531 | ECU Malfunction | Ignition switch ON again | *1 | |
| C1532 | ECU Malfunction | Ignition switch ON again | *1 | |
| C1533 | ECU Malfunction | Ignition switch ON again | *2 | |
| C1534 | ECU Malfunction | After normal confirmation | *3 | |
| C1541 | Vehicle Speed Signal Malfunction | Ignition switch ON again | *1 | |
| C1551 | IG Power Supply Voltage Malfunction | IG Power Supply Voltage Malfunction | *1 | |
| C1552 | PIG Power Supply Voltage Malfunction | Ignition switch ON again | *1 | |
| C1554 | Power Supply Relay Failure | Power Supply Relay Failure | *1 | |
| C1555 | Motor Relay Welding Failure | Ignition switch ON again | *1 | |
| C1581 | Assist Map Number Un-Writing | Assist map written | *1 | |
| C1582 | Assist Map Number Mismatch | Ignition switch ON again | *1 | |
| U0100 | Lost Communication with ECM / PCM "A" | After normal confirmation | *4 | |
| U0129 | Lost Communication with Brake System 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: Torque and resolver sensor adjustment is set to the default value and control is continued. In this case, the warning light illuminates.
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*4: 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.