Test Q: Incorrect Vehicle Identification (DTC C1414): Description
WARNING: This page is about a different car, the 2003 Mercury Sable and 2003 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
RCM monitors connector C310A, terminals No. 20 and 21 to detect vehicle identification code. If RCM detects an unexpected condition at either pin, it will store DTC C1414 in memory and flash Code 15 on AIR BAG warning light.