Test K: Air Bag Tone Warning Indicator Circuit Short To Ground Or Open (DTC B1892): Description
WARNING: This page is about a different car, the 2004 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
Restraints Control Module (RCM) monitors circuits to air bag tone warning indicator. When RCM detects a circuit short to ground or open, it will store Diagnostic Trouble Code (DTC) B1892 in memory and flash Code 53 on AIR BAG warning light.