The purpose of this SAE Information Report is to describe currently known automotive active stability enhancement systems, as well as identify common names which can be used to refer to the various systems and common features and functions of the various systems. The primary systems discussed are: a. ABS-antilock braking systems; b. TCS-traction control systems; and c. ESC-electronic stability control.

The document is technical in nature and attempts to remain neutral regarding unique features that individual system or vehicle manufacturers may provide.