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Low Tire
Pressure
Warning Light
Possible
cause
Customer Action Required
Solid Warning
Light
Tire(s)
under-inflated
1. Check your tire pressure to
ensure tires are properly inflated;
refer to Inflating your tires in this
chapter.
2. After inflating your tires to the
manufacturer’s recommended
inflation 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 will turn
OFF.
Spare tire in
use
Your temporary spare tire is 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 your tires are properly inflated
and your spare tire is not in use
and the light remains ON, have the
system inspected by your
authorized dealer.
Tire rotation
without sensor
training
On vehicles with different front and
rear tire pressures, the TPMS
system must be retrained following
every tire rotation. Refer to Tire
rotation in this chapter.
2009 F-250/350/450/550 (f23)
Owners Guide, 2nd Printing
USA (fus)
Tires, Wheels and Loading
247