Test Aa: Seat Track Position Sensor Circuit Resistance Out Of Range (DTC C1948): Description
WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
Restraints Control Module (RCM) monitors seat track position switch circuits for faults. If RCM detects a resistance out of range condition, it will store Diagnostic Trouble Code (DTC) C1948 in memory and flash Code 7-7 on AIR BAG warning light.