Test M: Passenger-Side Air Bag Circuit Short To Ground (DTC B1888): Description
WARNING: This page is about a different car, the 2002 Ford Pickup, 2002 Ford F550 Super Duty, 2002 Ford F450 Super Duty, 2002 Ford Excursion, and 2002 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Restraints Control Module (RCM) checks passenger-side air bag module circuit for shorts to ground by monitoring voltage at RCM harness connector terminals No. 6 (Light Blue/Orange wire) and No. 7 (Pink/Black wire). If RCM detects short to ground in either terminal, it will store Diagnostic Trouble Code (DTC) B1888 in memory and flash Code 16 on AIR BAG warning light.