DTC U1185-87: Lost Communication with Spatial Information Service Module Missing Message [11/2021 - 10/2023]: Procedure
WARNING: This page is about a different car, the 2024 Lexus LS 500h, 2023 Lexus LS 500h, and 2022 Lexus LS 500h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK VEHICLE CONTROL HISTORY (RoB) (SPATIAL INFORMATION SERVICE SYSTEM)
- Check the vehicle control history (RoB).
Body Electrical > Spatial Information Service > Utility
Tester Display Vehicle Control History (RoB) - If the vehicle control history (RoB) is output, record it.
Result
Result Proceed to Vehicle control history (RoB) is not output A Vehicle control history (RoB) is output B
Result:
B
GO TO VEHICLE CONTROL HISTORY (RoB). Refer to VEHICLE CONTROL HISTORY (RoB) [11/2021 - 10/2022] , or refer to VEHICLE CONTROL HISTORY (RoB) [10/2022 - 10/2023]
Result:
A
See step 2
- Check the vehicle control history (RoB).
- CHECK DTC
- Clear DTCs.
Chassis > Advanced Drive eXtension Control > Clear DTCs
- Wait at least 5 minutes.
- Check for DTCs.
Chassis > Advanced Drive eXtension Control > Trouble Codes
Result
Result Proceed to DTC U1185-87 is output A DTCs are not output B
Result:
A
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2023]
Result:
B
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]
- Clear DTCs.