FORD 2010 F-550 v.2 - Manual (Page 239)

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 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. Please refer to the
following chart for information concerning your Tire Pressure Monitoring
System:
Low Tire Pres-
sure 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 infla-
tion 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 min-
utes 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 re-
store system functionality. For a de-
scription on how the system func-
tions, refer to When your temporary
spare tire is installed in this section.
TPMS mal-
function 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 sen-
sor 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.
Tires, Wheels and Loading
239
2010 F-250/350/450/550 (f23)
Owners Guide, 2nd Printing
USA (fus)