If it turns out that at least one of the wheels is moving too slowly, the anti-lock braking system will increase the pressure of the brake fluid to allow the wheel to move at a normal speed.īut if there is a problem with the speed sensor, the anti-lock braking system will detect that and cause the warning light to illuminate on the dashboard. This information then gets transmitted to the anti-lock braking system. There are speed sensors built into every wheel’s hub which calculate the movement rate of that wheel. Either that or excessive amounts of air may exist within the system.Įither way, it may certainly cause the ABS warning light to illuminate on the dashboard.
Sometimes there could be a leak from this reservoir which will cause the fluid levels to drop. There is a brake fluid reservoir which holds the fluid of the anti-lock braking system.
The brake fluid has a lot to do with controlling the braking pressure within an anti-lock braking system. There could also be a problem with other sensors or components that it communicates with as well.īelow are the top 5 causes of an ABS light coming on. It doesn’t always mean there is a problem with the anti-lock braking system directly. There are many causes which could make an ABS light come on. The ABS system is designed to grab and release the brakes very rapidly at all four corners to prevent tire lock-up and keep each tire spinning, while still allowing you to slow the vehicle as quickly as possible. This is because a rolling tire has more grip than a sliding tire. You will also typically experience a shorter stopping distance. When your tires are spinning, you have better control over the car. Tire lock-up happens when the friction between the brake pad and the brake rotor is greater than the friction between the tire and the road surface. When you step on the brakes hard, you are likely to lose traction on one or more tires. “ABS” stands for anti-lock braking system.
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