Pinpoint Test B: DTC B1223 - Fuel Tank Temperature Sensor Circuit Open (Greater Than 4.585 Volts)
WARNING: This page is about a different car, the 2004 Ford RV Cutaway, 2004 Ford Econoline, 2004 Ford E450 Super Duty, and 2004 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.