VARIABLE GEAR RATIO 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 | See page |
|---|---|---|---|
| C1591/51 | Actuator Neutral Position Calibration Undone | - | |
| C1592/52 | Actuator Neutral Position Calibration Incomplete | - Steering actuator - Steering control ECU |
|
| C1593/53 | Actuator Standard Position Malfunction | - Steering actuator | |
| C1595/55 | Lost Communication with Steering Angle Sensor Module | - Steering angle sensor - Steering control ECU - Wire harness or connector |
|
| C15A1/61 | Actuator Malfunction | - Wire harness or connector - Steering actuator - Steering control ECU |
|
| C15A2/62 | Actuator Malfunction | - Wire harness or connector - Power source circuit - Steering actuator - Steering control ECU |
|
| C15A3/63 | Actuator Malfunction | - Wire harness or connector - Steering actuator - Steering control ECU |
|
| C15A4/64 | Actuator Malfunction | - Steering actuator | |
| C15A5/65 | Actuator Malfunction | - Wire harness or connector - Steering actuator - Steering control ECU |
|
| C15A6/62 | Actuator Malfunction | - Power source circuit - Wire harness or connector - Steering actuator - Steering control ECU |
|
| C15A9/66 | Lock Holder Deviation Detection | - Steering actuator | |
| C15AA/66 | Lock Mechanism Release Incomplete | - Steering actuator | |
| C15AB/66 | Lock Mechanism Insertion Malfunction | - Steering actuator | |
| C15B1/71 | ECU Malfunction | - Steering control ECU | |
| C15B2/72 | ECU Malfunction | - Steering control ECU | |
| C15B3/73 | ECU Malfunction | - Steering control ECU | |
| C15B4/71 | ECU Malfunction | - Steering control ECU | |
| C15C1/74 | Steering Angle Sensor Malfunction | - Steering angle sensor - CAN communication system - Steering control ECU |
|
| C15C2/74 | Steering Angle Sensor B+ Malfunction | - Steering angle sensor - CAN communication system - Steering control ECU |
|
| C15C3/75 | Brake System Control Module Malfunction | - Skid control ECU - CAN communication system - Steering control ECU |
|
| C15C4/68 | Steering Angle Signal (Test Mode DTC) | - Steering angle sensor - Wire harness or connector - Steering control ECU |
|
| C15C5/69 | Motor Revolution Angle Signal (Test Mode DTC) | - Wire harness or connector - Steering actuator - Steering control ECU |
|
| C15C6/77 | IG Power Supply Voltage Malfunction | - P-IG1-3 fuse - IG circuit - Charging system - Steering control ECU |
|
| C15C7/78 | DC Motor Power Source Voltage Malfunction | - VGRS fuse - Wire harness or connector - Power source circuit - Steering control ECU |
|
| C15C8/79 | Power Supply Relay Failure | - VGRS fuse - Wire harness or connector - Steering control ECU |
|
| U0100/56 | Lost Communication with ECM / PCM "A" | - CAN communication system - ECM |
|
| U0122/56 | Lost Communication with Vehicle Dynamics Control Module | - CAN communication system - Skid control ECU |
|
| U0123/56 | Lost Communication with Yaw Rate (Deceleration) Sensor Module | - CAN communication - Yaw rate and deceleration sensor |
|
| U0126/56 | Lost Communication with Steering Angle Sensor Module | - CAN communication system - Steering angle sensor |
|
| U0131/56 | Lost Communication with Power Steering Control Module | - CAN communication system - Power steering ECU |