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If the ignition switch is cycled, this sequence will repeat,
providing the system fault still exists. If the system fault no
longer exists, the Tire Pressure Monitoring System Warning
Light will no longer flash, and the ⬙SERVICE TPM SYS-
TEM⬙ message will no longer display, and a pressure value
will display in place of the dashes. A system fault can occur
due to any of the following:
• Jamming due to electronic devices or driving next to
facilities emitting the same radio frequencies as the
TPMS sensors.
• Installing some form of aftermarket window tinting that
affects radio wave signals.
• Lots of snow or ice around the wheels or wheel hous-
ings.
• Using tire chains on the vehicle.
• Using wheels/tires not equipped with TPMS sensors.
NOTE:
• The compact spare tire does not have a tire pressure
monitoring sensor. Therefore, the TPMS will not monitor
the pressure in the compact spare tire.
• If you install the compact 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 System Warning Light will remain
on and a chime will sound. In addition, the graphic in
the instrument cluster will still display a pressure value
in a different color and an ⬙Inflate to XX⬙ message.
• After driving the vehicle for up to 20 minutes above
15 mph (24 km/h), the Tire Pressure Monitoring System
Warning 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 a
minimum of 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 System Warning
Light will flash on and off for 75 seconds and then
remain on solid, and the instrument cluster will display
a ⬙SERVICE TPM SYSTEM⬙ message for a minimum of
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 compact spare,
the TPMS will update automatically. In addition, the Tire
Pressure Monitoring System Warning Light will turn off
and the graphic in the instrument cluster will display a
5
SAFETY 167
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