WARNING: This page is about a different car, the 2004 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Locating Transmission Code
Courtesy of FORD MOTOR CO.
The transmission code is:
H - Four-speed automatic overdrive, 4R70W, Sharonville
U - Four-speed automatic overdrive, 4R70W, Livonia