Possible Causes

WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

An inoperative memory seat can be caused by:

a fuse.
wiring, terminals or connectors.
a faulty seat control switch.
a faulty power seat track.
a faulty power recliner mechanism.
a faulty DSM.