DTC U1190-87: Lost Communication With Automatic Driving ECU (Ethernet) Missing Message [11/2021 - ]: Procedure

1. Check for DTCs.

   Body Electrical > Ethernet Switch1 > Trouble Codes 

   Body Electrical > Ethernet Switch2 > Trouble Codes 

   Result

   Result	Proceed to
   ETHERNET communication system DTCs is output.	A
   ETHERNET communication system DTCs is not output.	B

Result: 

A 

GO TO ETHERNET COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 12/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2023 - ] 

Result: 

B 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2021 - 12/2022]  , or refer to  REMOVAL [12/2022 - 12/2023]  , or refer to  REMOVAL [12/2023 - ]