Test Aa: Right Seat Belt PRETENSIONER Circuit Resistance High Or Low (DTC B1881/B1886): Description
WARNING: This page is about a different car, the 2002 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
Restraints Control Module (RCM) monitors circuit resistance at connector C310A, terminals No. 15 (Red/Black wire) and No. 16 (Black/Red wire). If RCM detects resistance that is out of expected range, it will store Diagnostic Trouble Code (DTC) B1881 or 1886 in memory and flash Code 47 on AIR BAG warning light.