The variable steering module controls a bi-directional magnetic rotary solenoid. The solenoid is located in the steering gear. The solenoid adjusts the amount of power steering assist in order to achieve a given level of driver effort in turning the vehicle. The variable steering module varies the steering assist by adjusting the current flow through the solenoid. The amount of steering assist adjusted is dependent upon vehicle speed. As the vehicle speed increases, the following actions occur:

As the vehicle speed decreases, the following actions occur:

The variable steering module receives the vehicle speed from the powertrain control module (PCM).