DTC U0129: Lost Communication with Brake System Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163: Lost Communication with Navigation Control Module; DTC U0164: Lost Communication with HVAC Control Module; DTC U0293: Lost Communication with EV Control Module; DTC U1146: Lost Communication with EP Systems Gateway [09/2013 - ]: Procedure

CHECK DTC
1. Clear the DTCs. Refer to DTC CHECK / CLEAR [09/2013 - ] .
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 [09/2013 - ]
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2013 - ]