Test L: Restraint System-Impact Sensor Status (DTC B2296): Description
WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
Restraints Control Module (RCM) checks crash sensor circuits for faults. If RCM detects low resistance, open circuit, short to battery or short to ground, it will store DTC B2296 in memory and flash Code 42, 43, 45, or 46 on AIR BAG warning light.