DTC P1615: Communication Error from Distance Control ECU to ECM: Procedure

1. Replace the distance control ECU. Refer to COMPONENTS .

NEXT: Go to next step 

1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
2. Turn the cruise control main switch on.
3. Drive the vehicle at a speed for which cruise control operation is possible.
4. 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