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VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1442, C1443

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

The skid control ECU (brake actuator assembly) receives signals from the yaw rate and acceleration sensor via CAN communication.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1442 Invalid Data Received from Deceleration Sensor With terminal +BS voltage between 9.5 and 17.4 V, an invalid data signal is received from the acceleration sensor for 10 seconds or more. Acceleration sensor (yaw rate and acceleration sensor)
C1443 Invalid Data Received from Yaw Rate Sensor With terminal +BS voltage between 9.5 and 17.4 V, an invalid data signal is received from the yaw rate sensor for 10 seconds or more. Yaw rate sensor (yaw rate and acceleration sensor)
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CAUTION / NOTICE / HINT

Note:

When replacing or reinstalling the yaw rate and acceleration sensor, perform zero point calibration and store system information after clearing previously calibrated data.

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PROCEDURE


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    CHECK DTC


    1. Clear the DTCs.

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      1. Chassis > ABS/VSC/TRC > Clear DTCs


    2. Turn the engine switch off.

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

    4. Check if the same DTC is output.

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      1. Chassis > ABS/VSC/TRC > Trouble Codes


      Result
      Result Proceed to
      DTCs C1442 and C1443 are not output. A
      DTCs C1442 and/or C1443 are output. B
      Note:

      Check the yaw rate and acceleration sensor signal after replacement.

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