Tire Pressure Monitoring System (TPMS) : Notes

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

The tire pressure monitoring system (TPMS) includes:

the vehicle security module (VSM), TPMS functionality is integrated within the VSM.
four tire pressure sensors.
four tire pressure sensor cradles.
four tire pressure sensor straps.
an instrument cluster indicator.
a message center (if equipped).