DTC U123A: Lost Communication With Driver Monitoring System
DTC detecting condition:
CAN data from driver monitoring unit is abnormal.
Trouble symptom:
- Individual recognition progress screen is not displayed.
- Driver Monitoring System welcome screen is not displayed properly.
- Driver Monitoring System goodbye screen is not displayed properly.
- User registration prompt screen is not displayed properly.
- Favorite screen Driver Monitoring System is not displayed.
- Driver Monitoring System status display is not displayed properly in the advanced equipment screen.
- Personal fuel economy is not displayed on the fuel economy screen.
- Driver Monitoring System setting is impossible on the setting screen.
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 .