Principles of Operation
WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
The vehicle security module (VSM) controls the following systems:
- perimeter alarm
- remote keyless entry (and panic feature)
- computer-operated locks
- autolamp