An owner of a vehicle equipped with ABS brakes complained that whenever he tried to stop on icy or slippery roads, the brake pedal would pulse up and down rapidly. Technician A says that this is normal for many ABS units. Technician B says that the ABS unit is malfunctioning. Which technician is correct?

Question

Quizplus · Accepted Answer

The pulsing of the brake pedal on icy or slippery roads is a normal function of ABS (Anti-lock Braking System) units. This pulsation is the system rapidly applying and releasing the brakes to prevent wheel lockup and maintain steering control.

An Owner of a Vehicle Equipped with ABS Brakes Complained