DTC U0463: Invalid Data Received From Navigation Display Module

DTC detecting condition:

CAN data from cockpit control module is abnormal.

Trouble symptom:

Seat heater does not operate.
Seat ventilation does not operate.

NOTE: For the diagnostic procedure, refer to DTC U0074. Ref. to VENTILATION SEAT (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0074: CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF .