Test M: Passenger Air Bag Deactivation (Pad) Switch Warning Light Inoperative (DTC B1884): Description
WARNING: This page is about a different car, the 2003 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Restraints Control Module (RCM) has ability to deactivate passenger-side air bag under certain conditions. When passenger-side air bag is deactivated, PAD switch warning light will be illuminated.
RCM monitors PAD switch warning light for open or short to ground conditions. If RCM detects an open or short to ground on PAD switch warning light circuit, it will store Diagnostic Trouble Code (DTC) B1884 in memory and flash Code 27 on AIR BAG warning light.