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Component Location Overview - Parking Brake

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Fig 1: Identifying Electro-Mechanical Parking Brake Control Module
GWWA46-10128Courtesy of AUDI OF AMERICA, LLC
  1. 1 - Electromechanical Parking Brake Button -E538-

    The switch is always illuminated so it can be found in the dark.

    • Pull the → Close button to "Engage the parking brake".
    • Press the → Open button. The foot brake must be operated.
    • Component location: in the center console
    • Removing and installing. Refer to OVERVIEW - CONTROLS IN CENTER CONSOLE .
  2. 2 - LED (Light Emitting Diode)
    • Component location: in the parking brake contact switch
    • lights up when the parking brake is engaged
    • Also indicated by the function light in the instrument cluster

      The bars in the switch turn red during dynamic deceleration greater than 7 km/h. An audible warning signal also sounds.

  3. 3 - EPB System Warning Lamp (Yellow)
    • If the parking brake malfunctions, a yellow symbol and the indicator Parking brake! appears in the instrument cluster display.
  4. 4 - Electromechanical Parking Brake Function Lamp

    The lamp is red

    • Clamping force sufficient display
    • The indicator lamp comes on when the parking brake is applied and the ignition is on.
    • After switching off the ignition, the indicator lamp stays on for approximately 20 seconds.
    • If the parking brake is applied with the ignition switched off, the indicator lamp illuminates for approximately 20 seconds.
    • The indicator lamp must go out when the parking brake is released.

      The lamp blinks red

      If the indicator lamp blinks red continuously after engaging the parking brake, it may be due to the following:

      • the braking force from the parking brake is not sufficient to prevent the vehicle from rolling.
      • the brake temperature is too high.

      If the indicator lamp is blinking red, another method must be used to prevent the vehicle from rolling.

      The lamp is green

    • Function light with Audi Hold Assist activated

      Additional yellow lamp

    • If the parking brake malfunctions, a yellow symbol and the indicator Parking brake! appears in the instrument cluster display.
  5. 5 - Right Parking Brake Motor -V283-
  6. 6 - Electromechanical Parking Brake Control Module - J540-
  7. 7 - Left Parking Brake Motor -V282-