DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Skid Control ECU; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0151: Lost Communication with Airbag ECU; DTC U0163: Last Communication With Navigation ECU; DTC U023A: Lost Communication with Front Camera Module; DTC U1104: Lost Communication with Driving Support ECU [10/2015 - ]: Procedure

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [12/2012 - ] .

   Body Electrical > Combination Meter > Trouble Codes 

   HINT: 

   If CAN communication system DTC U0100, U0129, U0131, U0142, U0151, U0163, U023A or U1104 and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0100, U0129, U0131, U0142, U0151, U0163, U023A or U1104 first.

   Result	Proceed to
   	CAN communication system DTC is not output
   	CAN communication system DTC is output

Result: 

CAN communication system DTC is not output 

USE SIMULATION METHOD TO CHECK: 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - 08/2016] .

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 08/2017] .

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2017 - ] .

Result: 

CAN communication system DTC is output 

GO TO CAN COMMUNICATION SYSTEM. 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] .