DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0163: Lost Communication with Navigation Control Module; DTC U023A: Lost Communication with Front Camera Module; DTC U1104: Lost Communication with Driving Support ECU [09/2016 - 07/2020]: Procedure

1. Check if CAN communication DTCs are output.

   Refer to DIAGNOSIS SYSTEM [09/2016 - 01/2018] , or refer to DIAGNOSIS SYSTEM [01/2018 - 05/2019] , or refer to DIAGNOSIS SYSTEM [05/2019 - 07/2020]

   Result

   Result	Proceed to
   DTCs are output	A
   DTCs are not output	B

Result: 

A 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2016 - 12/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2018 - ] 

Result: 

B 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2016 - 05/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2019 - 07/2020]