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will not be present, and a pressure value will be displayed
instead of dashes. A system fault can occur by any of the
following:
1. Jamming due to electronic devices or driving next to
facilities emitting the same Radio Frequencies as the
TPM sensors.
2. Installing some form of aftermarket window tinting that
affects radio wave signals.
3. Lots of snow or ice around the wheels or wheel hous-
ings.
4. Using tire chains on the vehicle.
5. Using wheels/tires not equipped with TPM sensors.
NOTE: There is no tire pressure monitoring sensor in the
spare tire. The TPMS will not be able to monitor the tire
pressure. If you install the spare tire in place of a road tire
that has a pressure below the low-pressure warning limit,
upon the next ignition switch cycle, the Tire Pressure
Monitoring Telltale Light will remain ON, a chime will
sound, and the instrument cluster will still display a
pressure value in the different color graphic display and an
⬙Inflate to XXX kPa⬙ message will be displayed. After
driving the vehicle for up to 20 minutes above 15 mph
(24 km/h), the Tire Pressure Monitoring Telltale Light will
flash on and off for 75 seconds and then remain on solid. In
addition, the instrument cluster will display a “SERVICE
TPM SYSTEM⬙ message for five seconds and then display
dashes (- -) in place of the pressure value. For each
subsequent ignition switch cycle, a chime will sound, the
Tire Pressure Monitoring Telltale Light will flash on and off
for 75 seconds and then remain on solid, and the instru-
ment cluster will display a ⬙SERVICE TPM SYSTEM⬙
message for five seconds and then display dashes (- -) in
place of the pressure value. Once you repair or replace the
original road tire, and reinstall it on the vehicle in place of
the spare tire, the TPMS will update automatically.
In addition, the Tire Pressure Monitoring Telltale Light will
turn OFF and the graphic in the instrument cluster will
display a new pressure value instead of dashes (- -), as long
as no tire pressure is below the low-pressure warning limit
in any of the four active road tires. The vehicle may need to
be driven for up to 20 minutes above 15 mph (24 km/h) in
order for the TPMS to receive this information.
TPMS Deactivation — If Equipped
The TPMS can be deactivated if replacing all four wheel
and tire assemblies (road tires) with wheel and tire assem-
blies that do not have TPMS Sensors, such as when
446 STARTING AND OPERATING
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