DTC U1190-87: Lost Communication with Advanced Drive Control Module Missing Message (Ethernet) [11/2021 - ]: Procedure

HINT: 

Refer to DTC CHECK / CLEAR [11/2021 - ]

1. Check for DTCs.

   Body Electrical > Ethernet Switch1 > Trouble Codes 

   Body Electrical > Ethernet Switch2 > Trouble Codes 

   Result

   Result	Proceed to
   No DTCs output from Ethernet switch 1 and Ethernet switch 2	A
   DTC output from Ethernet switch 1 or Ethernet switch 2	B

Result: 

B 

GO TO ETHERNET COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ] 

Result: 

A 

See step  2

1. Clear the DTCs.

   Body Electrical > Spatial Information Service > Clear DTCs 

2. Check for DTCs.

   Body Electrical > Spatial Information Service > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTC U1190-87 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 10/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ] 

Result: 

B 

REPLACE SPATIAL INFORMATION SERVICE ECU ASSEMBLY. Refer to  REMOVAL [11/2021 - ]