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DTC B2544: Flash ROM fault
 
 
 
 
TROUBLE JUDGMENT
When the camera-ECU detects the internal error (Flash ROM), it sets DTC No. B2544.
noteWhen DTC No. B2544 is set, the entire monitor screen is displayed in black. Alternatively, "x" mark is displayed on the vehicle icon.
 
 
TROUBLESHOOTING HINTS
  • The camera-ECU may be defective
 
 
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.
Is the DTC set?
Replace the camera-ECU (Refer to ).
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).