Normal Operation
WARNING: This page is about a different car, the 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
The fire suppression module (FSM) checks all of the LH fire suppressor circuits for faults. If the FSM detects an open on the LH fire suppressor squib 1 circuits, it stores diagnostic trouble code (DTC) B299A in memory and illuminates the fire suppression system indicator.