Front End Discriminating Sensor
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 GMC C3500 HD, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Front end discriminating sensor is a mechanical sensor which provides input to Sensing and Diagnostic Module (SDM) to help determine severity of a frontal impact. Front end discriminating sensor is not part of deployment loop.