ACTIVE STABILIZER SUSPENSION SYSTEM, Diagnostic DTC:C1954

DTC Code DTC Name
C1954 Malfunction in Signal from Yaw Rate Sensor to Rear Active Stabilizer Control ECU

DESCRIPTION

If the rear active stabilizer control ECU receives a yaw rate sensor malfunction signal, DTC C1954 is output. The yaw rate sensor is diagnosed by the skid control ECU. If yaw rate sensor related electronically controlled brake system DTCs are output, perform a diagnosis for those DTCs. If no yaw rate sensor related electronically controlled brake system DTCs are output, there may be a malfunction in the rear active stabilizer control ECU.

DTC Code Detection Condition Trouble Area
C1954 Malfunction signal from yaw rate sensor is input to rear active stabilizer control ECU

  • Electronically controlled brake system

  • Rear active stabilizer control ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)


    1. Turn the power switch OFF.

    2. Connect the intelligent tester to the DLC3.

    3. Turn the power switch ON (READY) and the tester ON.

    4. Check for DTC Click here.

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

    B

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here

    A

    REPLACE REAR ACTIVE STABILIZER CONTROL ECU ASSEMBLY Click here