ABS Controllers, found within the Brake Controls section of your vehicle's braking system (Brakes > Brake Controls > ABS Controller), are critical components responsible for preventing wheel lockup during braking. These electronic control units receive signals from wheel speed sensors and modulate hydraulic pressure to individual brakes, enabling continued steering control and shorter stopping distances. Commonly located within the engine bay, the ABS controller utilizes sophisticated algorithms to maintain optimal brake force distribution. Failures can manifest as ABS warning lights, longer stopping distances, or complete brake system malfunction, necessitating replacement. Examples of ABS Controllers available include parts from Febi, such as MPN 15340 and FEBI38373, as well as units from Wabco.