POWER STEERING SYSTEM DIAGNOSTIC TROUBLE CODE CHART
Tech Tips
If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
| DTC Code | Detection Item | Trouble Area | Return-to-normal Condition | P/S Warning Light | See page |
|---|---|---|---|---|---|
| C1511 | Torque Sensor Circuit Malfunction | 1. Steering column assembly (torque sensor) 2. Power steering ECU |
Ignition switch ON again | *1 | |
| C1512 | Torque Sensor Circuit Malfunction | 1. Steering column assembly (torque sensor) 2. Power steering ECU |
Ignition switch ON again | *1 | |
| C1513 | Torque Sensor Circuit Malfunction | 1. Steering column assembly (torque sensor) 2. Power steering ECU |
Ignition switch ON again | *1 | |
| C1514 | Torque Sensor Power Supply Abnormal | 1. Steering column assembly (torque sensor) 2. Power steering ECU |
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 | 1. Steering column assembly (torque sensor) 2. Power steering ECU |
Ignition switch ON again | *1 | |
| C1521 | Motor Circuit Malfunction | Power steering ECU | Ignition switch ON again | *1 | |
| C1522 | Motor Circuit Malfunction | 1. Steering column assembly 2. Power steering ECU |
Ignition switch ON again | *1 | |
| C1523 | Motor Circuit Malfunction | 1. Steering column assembly 2. Power steering ECU |
Ignition switch ON again | *1 | |
| C1524 | Motor Circuit Malfunction | 1. Steering column assembly 2. Power steering ECU |
Ignition switch ON again | *1 | |
| C1525 | Rotation Angle Sensor Initialization Undone | - | Rotation angle sensor calibration occurs | *1 | |
| C1526 | Rotation Angle Sensor Initialization Incomplete | - | Clear DTC | *1 | |
| C1528 | Motor Rotation Angle Sensor Malfunction | 1. Steering column assembly (built into steering column assembly) 2. Power steering ECU |
Ignition switch ON again | *1 | |
| C1531 | ECU Malfunction | Power steering ECU | Ignition switch ON again | *1 | |
| C1532 | ECU Malfunction | Power steering ECU | Ignition switch ON again | *1 | |
| C1533 | ECU Malfunction | Power steering ECU | After normal judgment | *2 | |
| C1534 | ECU Malfunction | Power steering ECU | Ignition switch ON again | *2 | |
| C1541 | Vehicle Speed Signal Malfunction | 1. Speed sensor circuit 2. Brake actuator assembly (Skid control ECU) 3. CAN communication system 4. Power steering ECU |
Ignition switch ON again | *1 | |
| C1551 | IG Power Supply Voltage Malfunction | 1. ECU-IG No. 2 fuse 2. IG power source circuit 3. Power steering ECU |
Ignition switch ON again or after normal confirmation | *1 | |
| C1552 | PIG Power Supply Voltage Malfunction | 1. PIG power source circuit 2. Power steering ECU |
Ignition switch ON again or after normal confirmation | *1 | |
| C1554 | Power Supply Relay Failure | Power steering ECU | Ignition switch ON again | *1 | |
| C1555 | Motor Relay Welding Failure | 1. Steering column assembly 2. Power steering ECU |
Ignition switch ON again | *1 | |
| C1581 | Assist Map Number Un-Writing | 1. Power steering ECU 2. CAN communication system 3. ECM 4. Brake actuator assembly (Skid control ECU) |
Assist map written | *1 | |
| C1582 | Assist Map Number Mismatch | 1. Power steering ECU 2. CAN communication system 3. ECM 4. Brake actuator assembly (Skid control ECU) |
After normal condition | *2 | |
| U0100 | Lost Communication with ECM / PCM "A" | 1. CAN communication system 2. ECM |
After normal condition | *3 | |
| U0129 | Lost Communication with Brake System Control Module | 1. CAN communication system 2. Brake actuator assembly (Skid control ECU) |
After normal condition | *1 |
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*1: Warning light comes on
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*2: Warning light turns off (normal reset)
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*3: 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.