DTC P1615: Communication Error from Distance Control ECU to ECM: Procedure
WARNING: This page is about a different car, the 2009 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
- REPLACE DISTANCE CONTROL ECU
- Replace the distance control ECU. Refer to COMPONENTS .
NEXT: Go to next step
- CHECK DTC
- Clear the DTC. Refer to DTC CHECK / CLEAR .
- Turn the cruise control main switch on.
- Drive the vehicle at the required speed (45 km/h (27 mph) or higher).
- Check if the same DTC is recorded. Refer to DTC CHECK / CLEAR
.
Result
Result Proceed to DTC P1615 is not output A DTC P1615 is output B
B → See step 3
A → END
- REPLACE ECM (for 2UR-GSE). Refer to COMPONENTS