WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Brake Code
Courtesy of FORD MOTOR CO.
2 - 4-wheel anti-lock brake system (ABS)
3 - All-speed traction control
5 - 4-wheel anti-lock brake system (ABS) with all-speed traction control