Level Control System Indicator Lamps

Level Control System Indicator Lamps

Warning Lamps










Warning Lamps for USA Vehicles










Brake Pad Wear Indicator Lamp (K32)

• If brake pad wear indicator lamp - 2 - does not switch off 3 seconds after the ignition is switched on or if it lights up when vehicle is driven, it could be caused by the following malfunctions:

- a - Brake pads may be worn.

Check front and rear brake pads/linings. Replace worn brake pads/linings.

- b - There is a malfunction in the wire routing.

ABS Warning Lamp (K47)

• If the ABS warning lamp - 3 - does not go out after the ignition is switched on and the test sequence is complete, it could be caused by the following errors:

- a - Voltage supply is under 10 volts.

- b - There is an ABS malfunction.


The ABS system remains switched off during an ABS malfunction - b -, but the traditional brake system remains fully functional.

- c - There was a periodic wheel speed sensor malfunction since the last vehicle start.

If this is the case, the ABS warning lamp will go out automatically after vehicle is started again and a speed of 20 km/h has been exceeded.

- d - Connection from instrument cluster to ABS Control Module (J104) has an open circuit.

- e - The instrument cluster is faulty.

ABS Warning Lamp (K47) and Brake System Warning Lamp (K118)

• If the ABS warning lamp - 3 - goes out but the brake system warning lamp - 4 - lights up, the malfunctions causes may be:

- a - Parking brake is engaged.

- b - Brake fluid level is too low (warning lamp blinks).

Three warning tones are audible after switching on the ignition.

- c - A malfunction in wiring to the brake system warning lamp.

• If the ABS warning lamp - 3 - and brake system warning lamp - 4 - lights up, ABS system is malfunctioning. A change in braking behavior should be checked.


After the ABS warning lamp and brake system warning lamp light up, rear wheels may lock prematurely when braking.

Traction Control Indicator Lamp (K86)

• If the traction control indicator lamp - 1 - does not go out after the ignition is switched on and the test sequence is complete, malfunction causes may be:

There is a malfunction present which only affects the ASR. The ABS and EBD safety systems are still completely functional check DTC memory.

- a - Short circuit to B+ in ASR/ESP Button (E256).

- b - A malfunction in activation of the traction control indicator lamp.

- c - ASR system was switched off by ASR/ESP button.

If the traction control indicator lamp blinks while driving, ASR system is operating in regulated mode.

• If the traction control indicator lamp - 1 - did not light up during self-test, the following malfunction is present:

- a - The traction control indicator lamp is malfunctioning.