VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1442, C1443

DTC Code DTC Name
C1442 Invalid Data Received from Deceleration Sensor
C1443 Invalid Data Received from Yaw Rate Sensor

DESCRIPTION

The skid control ECU (master cylinder solenoid) receives signals from the yaw rate and acceleration sensor (airbag sensor assembly) via the CAN communication system.

The yaw rate and acceleration sensor (airbag sensor assembly) has a built-in acceleration sensor.

DTC Code DTC Detection Condition Trouble Area
C1442 An invalid data signal is transmitted continuously from the acceleration sensor for 10 seconds or more. Yaw rate and acceleration sensor (Airbag sensor assembly)
C1443 An invalid data signal is transmitted continuously from the yaw rate sensor for 10 seconds or more. Yaw rate and acceleration sensor (Airbag sensor assembly)

CAUTION / NOTICE / HINT

Note

After replacing the yaw rate and acceleration sensor (airbag sensor assembly), perform calibration Click here.

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs Click here.

    2. Turn the engine switch off.

    3. Start the engine and idle it for 60 seconds, and then stop the engine.

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

      Result
      Result Proceed to
      DTC C1442 or C1443 is output A
      CAN communication system DTC is output B
      DTC is not output C

      Tech Tips

      For the CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING), refer to the following:



    A

    REPLACE AIRBAG SENSOR ASSEMBLY Click here

    B

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)

    C

    CHECK FOR INTERMITTENT PROBLEMS Click here