DTC P1616: Communication Error from ECM to Distance Control ECU: Procedure

1. Replace the ECM with a new one. Refer to REMOVAL .

NEXT: Go to next step 

1. Using the Techstream, enter the following menus: Powertrain / Radar Cruise / Trouble Code.
2. Clear the DTCs. Refer to DTC CHECK / CLEAR .
3. Perform the following to make sure the DTC detection conditions are met.

   HINT: 

   If the detection conditions are not met, the system cannot detect the malfunction.

   1. Drive the vehicle at a speed of 40 km/h (25 mph) or more.
   2. Turn the cruise control main switch on to set the vehicle-to-vehicle distance control mode to the standby state.
4. Check for DTCs. Refer to DTC CHECK / CLEAR .

   OK

   DTC P1616 is not output.

NG → See step   3 

OK → END