DTC U0073: Control Module Communication Bus Off; DTC U0155: Lost Communication with Combination Meter; DTC U0164: Lost Communication with A/C ECU; DTC U1110: Lost Communication with Clearance Warning ECU: Procedure

CHECK DTC
1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
2. Recheck for DTCs and check if the same DTC is output again.
  OK
  
  No DTCs are output.
NG → See step 3

OK → See step 2
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING