DTC U1198: Lost Communication With Telematics System

DTC detecting condition:

CAN data from data communication module is faulty.

Trouble symptom:

There is no effect on MFD operation/display. (Except for hybrid model)
Cannot set timer charging from the smartphone. (Hybrid model)

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 .