DTC B2541: ASIC fault: Diagnosis

Recheck for diagnostic trouble code. 

Check again if the DTC is set in the camera-ECU.

1. Erase the DTC.
2. Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
3. Check if DTC is set.

Q: Is the DTC set? 

YES:  Replace the camera-ECU (Refer to CAMERA-ECU REMOVAL AND INSTALLATION ).

NO:  The trouble can be an intermittent malfunction (Refer to How to use Troubleshooting/Inspection Service Points - HOW TO COPE WITH INTERMITTENT MALFUNCTION ).