Most injuries cause focal brain damage, damage confined to a small area of the brain. The focal damage is most often at the point where the head hits an object or where an object, such as a bullet, enters the brain. In addition to focal damage, closed head injuries frequently cause diffuse brain injuries or damage to several other areas of the brain.
As the wheel speed sensor is located very close to the braking system, the high heat generated by the brakes cause the wheel speed sensor to be more susceptible to damage. This in turn makes it one of the more common causes of the ABS light coming on. Unresponsive Hydraulic Pump or Valve.
Here are some things to know about ABS safety: 1  The ABS system does a self-test every time you turn on the ignition. 2  If the warning light comes on while you are driving, it means the ABS is not working properly. 3  If both the ABS and brake system light come on at the same time, your vehicle is no longer safe to drive. This means there is a serious problem with the braking system, and continuing to drive puts yourself and others at risk of a car crash.