DTC U0129, U0293, U1104: Lost Communication with Brake System Control Module; Lost Communication with HV ECU; Lost Communication with Driving Support ECU: Procedure

CHECK FOR DTC
1. Clear the DTCs. Refer to DTC CHECK/CLEAR .
2. Check for DTCs. Refer to DTC CHECK/CLEAR .
  OK
  
  DTC is not output.
NG → See step 2

OK → CHECK INTERMITTENT PROBLEMS
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING