DTC U0463: Invalid Data Received From Navigation Display Module

WARNING: This page is about a different car, the 2019 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.

DTC detecting condition:

CAN data from AVN is abnormal.

Trouble symptom:

Time is not shared with audio.
Orientation screen is not displayed.
Turn by turn screen is not displayed.
Weather screen is not displayed.
Audio screen is not displayed.
Favorite screen Orientation is not displayed.
Favorite screen Weather is not displayed.
Favorite screen Speed limit are not displayed.
Orientation is not displayed properly in the orientation screen.
Orientation shown in the orientation screen is different from one in the navigation system.
Names of streets and symbols shown in the orientation screen are different from those in the navigation system.
Speed limit and signs shown in the orientation screen are different from those in the navigation system.
Arrows shown in the turn by turn screen are different from those in the navigation system.
Remaining distance shown in the turn by turn screen is different from one in the navigation system.
Names of the next streets shown in the turn by turn screen are different from those in the navigation system.
Weather shown in the weather screen is different from one in the head unit.
The source display shown in the audio screen is different from one in the head unit.
Audio information shown in the audio screen is different from one in the head unit.
NOTE: For the diagnostic procedure, refer to DTC U0074. Ref. to MULTI-FUNCTION DISPLAY (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0074 CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF .