FORD 2012 F-150 Raptor v.3 - Manual (Page 257)

To restore the full functionality of the tire pressure monitoring system,
have the damaged road wheel/tire repaired and remounted on your
vehicle. For additional information, refer to Changing tires with a
TPMS in this section.
When you believe your system is not operating properly
The main function of the tire pressure monitoring system is to warn you
when your tires need air. It can also warn you in the event the system is
no longer capable of functioning as intended. Refer to the following chart
for information concerning your tire pressure monitoring system:
Low tire
pressure
warning light Possible
cause Customer action required
Solid warning
light Tire(s)
under-inflated 1. Make sure tires are at the proper
pressure. See Inflating your tires in
this chapter.
2. After inflating your tires to the
manufacturer’s recommended pressure
as shown on the Tire Label (located on
the edge of driver’s door or the
B-Pillar), the vehicle must be driven for
at least two minutes over 20 mph
(32 km/h) before the light turns off.
Spare tire in
use Repair the damaged road wheel/tire and
reinstall it on the vehicle to restore
system functionality. For a description
on how the system functions, refer to
When your temporary spare tire is
installed in this section.
TPMS
malfunction If the tires are properly inflated and the
spare tire is not in use but the light
remains on, contact your authorized
dealer as soon as possible.
Tire rotation
without sensor
training On vehicles with different front and
rear tire pressures, the TPMS must be
retrained following every tire rotation.
See Tire rotation in this chapter.
Tires, Wheels and Loading
257
2012 F-150 (f12)
Owners Guide, 3rd Printing
USA (fus)