The brake pad sensor is a small rod with a wire that is pressed against the edge of the brake pad. When the pad wears, the rod touches the disc and completes an electrical circuit, activating the brake pad wear indicator on the dashboard. This allows the driver to notice in time that the brake pads are worn out and replace them before they are completely worn out.
Replacing a faulty brake pad wear sensor can help eliminate the problem, keeping your braking system reliable and safe.
If the brake light is constantly on the dashboard, the brake sensor might be faulty. But, if the vehicle is driving weirdly (pulling to one side), then the brake is actually applied, and this might be a caliper issue. Alternatively, it might be a power steering leak or a master cylinder issue.
Stay alert if your car's dashboard begins to pop the brake system warning light. Your vehicle might be under progressive damage and can end up requiring hefty repairs in the future. Note that this notification pops up when you activate the parking brake; this doesn't mean there's an issue.
The brake warning light comes naturally if all systems are working fine. So please, keep track of your car's odd symptoms and browse through our articles to find out the information you'll need to share with your go-to auto shop.