Audio-Navigation System DTC Troubleshooting: 1403
DTC 1403: Audio Error 3
NOTE:
Check the vehicle battery condition first.
This navigation DTC sets when a mechanical malfunction in the multi-information display unit is detected.
Before you troubleshoot, make sure to follow the General Troubleshooting Information.
Check any official Honda service website for more service information about the navigation system.
1.
Problem verification:

Problem verification
?1.
Check that the temperature is below 158 F (70 C) in the dash.

?2.
Clear the hard error codes.

?3.
Press the engine start/stop button to select the OFF mode and then select the ON mode.

?4.
Check for hard error codes.

Is DTC 1403 indicated?

     
YES
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time.?