Ford E-150 (2011 year). Manual — part 39

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, contact
your authorized dealer as soon as
possible.

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.

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Low tire
pressure
warning light

Possible
cause

Customer action required

Flashing warning
light

Spare tire in
use

Your temporary spare tire is in
use. Repair the damaged road
wheel and re-mount it on the
vehicle to restore system
functionality. For a description of
how the system functions under
these conditions, 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 TPMS warning light still
flashes, contact your authorized
dealer as soon as possible.

When inflating your tires

When putting air into your tires (such as at a gas station or in your
garage), the tire pressure monitoring system may not respond
immediately to the air added to your tires.

It may take up to two minutes of driving over 20 mph (32 km/h) for the
light to turn off after you have filled your tires to the recommended
inflation pressure.

How temperature affects your tire pressure

The tire pressure monitoring system (TPMS) monitors tire pressure in
each pneumatic tire. While driving in a normal manner, a typical
passenger tire inflation pressure may increase approximately 2 to 4 psi
(14 to 28 kPa) from a cold start situation. If the vehicle is stationary
over night with the outside temperature significantly lower than the
daytime temperature, the tire pressure may decrease approximately 3 psi
(21 kPa) for a drop of 30°F (17°C) in ambient temperature. This lower
pressure value may be detected by the TPMS as being significantly lower
than the recommended inflation pressure and activate the TPMS warning
for low tire pressure. If the low tire pressure warning light is on, visually
check each tire to verify that no tire is flat. If one or more tires are flat,
repair as necessary. Check air pressure in the road tires. If any tire is

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under-inflated, carefully drive the vehicle to the nearest location where
air can be added to the tires. Inflate all the tires to the recommended
inflation pressure.

TPMS reset procedure
The TPMS reset procedure needs to be performed after each tire
rotation on vehicles that require different recommended tire
pressures in the front tires as compared to the rear tires.

WARNING: To determine the required pressure(s) for your
vehicle – refer to the Safety Compliance Certification Label or

Tire Label located on the B-Pillar or the edge of the driver’s door. See
Vehicle loading - with and without a trailer in this chapter for more
information.

Overview
To provide the vehicle’s load carrying capability, some vehicles require
different recommended tire pressures in the front tires as compared to
the rear tires. The tire pressure monitoring system (TPMS) equipped on
these vehicles is designed to illuminate the low tire pressure warning
lamp at two different pressures; one for the front tires and one for the
rear tires.
Since tires need to be rotated to provide consistent performance and
maximum tire life, the tire pressure monitoring system needs to know
when the tires are rotated to determine which set of tires are on the
front and which are on the rear. With this information, the system can
detect and properly warn of low tire pressures.
TPMS reset tips:
• To reduce the chances of interference from another vehicle, the TPMS

reset procedure should be performed at least 3 feet (1 meter) away
from another Ford Motor Company vehicle undergoing the TPMS reset
procedure at the same time.

• Do not wait more than two minutes between resetting each tire sensor

or the system will time-out and the entire procedure will have to be
repeated on all four wheels.

• A double horn chirp indicates the need to repeat the procedure.
Performing the TPMS reset procedure
It is recommended that you read the entire procedure before attempting.
1. Drive the vehicle above 20 mph (32 km/h) for at least two minutes
and then park in a safe location where you can easily get to all four tires
and have access to an air pump.

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2. Place the ignition in the off position and keep the key in the ignition.

3. Cycle the ignition to the on
position with the engine off.

4. Turn the hazard flashers on then
off three times. This must be
accomplished within 10 seconds.

If the reset mode has been entered successfully, the horn will sound
once, the TPMS indicator

will flash and the message center (if

equipped) will display TRAIN LEFT FRONT TIRE. If this does not
occur, please try again starting at Step 2.
If after repeated attempts to enter the reset mode, the horn does not
sound, the TPMS indicator

does not flash and the message center (if

equipped) does not display TRAIN LEFT FRONT TIRE, seek service
from your authorized dealer.
5. Train the TPMS sensors in the tires using the following TPMS reset
sequence starting with the left front tire in the following clockwise
order:
• Left front (Driver’s side front tire)

• Right front (Passenger’s side front tire)

• Right rear (Passenger’s side rear tire)

• Left rear (Driver’s side rear tire)
6. Remove the valve cap from the valve stem on the left front tire.
Decrease the air pressure until the horn sounds.
Note: The single horn chirp confirms that the sensor identification code
has been learned by the module for this position. If a double horn is
heard, the reset procedure was unsuccessful, and must be repeated.
7. Remove the valve cap from the valve stem on the right front tire.
Decrease the air pressure until the horn sounds.

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