ELECTRIC PARKING BRAKE SYSTEM, Diagnostic DTC:C13A9

DTC Code DTC Name
C13A9 Brake System Malfunction

DESCRIPTION

The parking brake ECU assembly receives the wheel speed information of each wheel from the skid control ECU assembly via CAN communication.

This DTC is stored when a malfunction occurs in the skid control ECU assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note
C13A9 Brake System Malfunction

  • Diagnosis Condition:

    Power switch on (IG)

  • Malfunction Status:

    All speed sensor malfunction signals input from skid control ECU assembly

  • Malfunction Duration:

    Approximately 0.3 seconds

  • Skid Control ECU Assembly

  • Parking brake ECU assembly

 Yes An electric parking brake system malfunction is displayed on the multi-information display.

CAUTION / NOTICE / HINT

Note

If the parking brake ECU assembly is replaced, perform the "Reset Memory" and "Acquire Tension Sensor Zero Point" procedures.

Click here

PROCEDURE


  1. CHECK DTC (BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS)


    1. Check for DTC.

      Click here


      Chassis > ABS/VSC/TRC > Trouble Codes
      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    B

    GO TO BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS Click here

    A

  2. CHECK DTC (ELECTRIC PARKING BRAKE SYSTEM)


    1. Clear the DTCs.

      Click here


      Chassis > Electric Parking Brake > Clear DTCs

    2. Turn the power switch off.

    3. Check for DTC.

      Click here


      Chassis > Electric Parking Brake > Trouble Codes
      Result
      Result Proceed to
      DTC is output A
      DTC is not output B

    A

    REPLACE PARKING BRAKE ECU ASSEMBLY Click here

    B

    USE SIMULATION METHOD TO CHECK Click here