DTC C2A01: ECU Internal Power Source Circuit [09/2014 - 01/2023]: Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2022 Lexus RC F, 2021 Lexus RC F, 2020 Lexus RC F, 2019 Lexus RC F, and 2018 Lexus RC F. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC OUTPUT (TVD)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Enter the following menus: Chassis / TVD / Trouble Codes.
- Check for DTCs.
Chassis > TVD > Trouble Codes
Result
Result Proceed to DTC C2A01 only is output. A DTCs other than DTC C2A01 are output. B DTCs are not output. C - Turn the engine switch off.
Result:
A
REPLACE TORQUE VECTORING DIFFERENTIAL ECU ASSEMBLY. Refer to REMOVAL [09/2014 - 01/2023]
Result:
B
GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2014 - 01/2023]
Result:
C
CHECK FOR INTERMITTENT PROBLEMS. Refer to CHECK FOR INTERMITTENT PROBLEMS [09/2014 - 01/2023]