DTC C1B21/31: ECU Malfunction(CPU); DTC C1B22/32: ECU Malfunction(Internal Line); DTC C1B23/33: ECU Malfunction(Substrate Temperature Sensor); DTC C1B25/35: ECU Malfunction(Flash Memory): Description
When the DRS ECU (rear steering control ECU) detects an internal problem with the ECU, DTCs are stored.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1B21/31 C1B22/32 C1B23/33 C1B25/35 |
After the engine switch is turned on (IG), an internal problem with the ECU is detected. | DRS ECU (rear steering control ECU) |