DYNAMIC RADAR CRUISE CONTROL SYSTEM, Diagnostic DTC:P1630

DTC Code DTC Name
P1630 Communication Error from VSC to ECM

DESCRIPTION

The skid control ECU sends signals such as cruise control cancel demand signals and brake operation demand from ECM response signals to the ECM when the dynamic radar cruise control system is in operation.

DTC No. DTC Detection Condition Trouble Area
P1630 While the dynamic radar cruise control is either preparing for operation or operating, if communication data from the skid control ECU is logically inconsistent for a certain amount of time, the ECM records this logical error code

  • Brake Actuator Assembly (Skid control ECU)

  • ECM

INSPECTION PROCEDURE

Note

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

PROCEDURE


  1. REPLACE BRAKE ACTUATOR (SKID CONTROL ECU)


    1. Replace the brake actuator assembly (skid 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 a speed for which cruise control operation is possible.

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

      Result
      Result Proceed to
      DTC P1630 is not output A
      DTC P1630 is output B

    B

    REPLACE ECM (for 2UR-GSE) Click here

    A

    END