Principles of Operation

The air suspension module is linked to its own data link connector (DLC). The air suspension module controls the air suspension and the variable assist power steering VAPS. For additional air suspension system information, see VEHICLE DYNAMIC SUSPENSION .

The air suspension module is used to monitor and control the VAPS system. The VAPS system controls the level of power assistance available to the driver based on vehicle speed and rate of change in steering position. For additional VAPS system information, see STEERING SYSTEM - GENERAL INFORMATION .