DTC U0104-87: Lost Communication with Cruise Control Module Missing Message [11/2017 - ]: Procedure
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2024 Lexus RC 300, 2023 Lexus RC 300, 2022 Lexus RC 300, 2021 Lexus RC 300, and 2020 Lexus RC 300. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC OUTPUT (DTC U0104-87)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: System Select / Health Check.
- Read the DTCs.
Result
Result Proceed to DTC U0104-87 is output A DTC U0104-87 and other DTCs are output B HINT:
If any DTCs other than U0104-87 are output, troubleshoot those DTCs first.
Result:
A
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 10/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ]
Result:
B
GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2017 - 10/2018] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2018 - 11/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2019 - 09/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [09/2020 - 10/2022] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2022 - ]