Low Transmission Fluid Level
WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Low transmission fluid level can result in poor engagement, slipping or failure. This may also indicate a leak in one of the transmission seals or gaskets.