DYNAMIC RADAR CRUISE CONTROL SYSTEM, Diagnostic DTC:P1615

DTC Code DTC Name
P1615 Communication Error from Distance Control ECU to ECM

DESCRIPTION

The distance control ECU receives information about the area in front of the vehicle from the millimeter wave radar sensor and then sends a brake control demand signal (deceleration demand) and diagnosis signals, such as millimeter wave radar sensor grime signals or millimeter wave radar sensor malfunction signals, to the ECM.

DTC No. DTC Detection Condition Trouble Area
P1615 While the dynamic radar cruise control is either preparing for operation or operating, if communication data from the distance control ECU is logically inconsistent for a certain amount of time, the ECM records this logical error code

  • Distance control ECU

  • ECM

INSPECTION PROCEDURE

Note

When the distance control ECU or ECM is replaced with a new one, initialization must be performed Click here.

PROCEDURE


  1. REPLACE DISTANCE CONTROL ECU


    1. Replace the distance control ECU Click here.


    NEXT

  2. CHECK DTC


    1. Clear the DTC Click here.

    2. Turn the cruise control main switch on.

    3. Drive the vehicle at the require speed (45 km/h (27 mph) or higher).

    4. Check if the same DTC is recorded Click here.

      Result
      Result Proceed to
      DTC P1615 is not output A
      DTC P1615 is output B

    B

    REPLACE ECM (for 2UR-GSE) Click here

    A

    END