C5 Check Left Front Sensor Air Gap

- Remove the left front wheel and tire.

- Check for damage to the front brake anti-lock sensor or front brake anti-lock sensor indicator.

- Check for objects sticking to the sensor or ring.

- Check the air gap between the ring and sensor (0.5 mm-0.95 mm specification).

- Check for excessive wheel bearing end play.

- Are the conditions OK?

YES -- If light is coming on all the time, replace anti-lock brake control module.

NO -- Service condition as required.