DTC C1A01: Driving Support ECU: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK FOR DTCs (DTC C1A01)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Clear the DTCs. Refer to DTC CHECK / CLEAR .
- Perform the following to make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the malfunction cannot be detected.
- Drive the vehicle at a speed for which radar cruise control operation is possible.
- Turn the cruise control system on using the cruise control switch (ON-OFF button).
- Push the cruise control switch to -/SET to begin control of vehicle speed using the cruise control system.
- Enter the following menus: Powertrain / Radar Cruise / Trouble Codes.
- Check for DTCs.
Result
Result Proceed to DTC is not output A DTC C1A01 is output B
B → See step 3
A → See step 2
- USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- REPLACE DRIVING SUPPORT ECU ASSEMBLY. Refer to REMOVAL