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256 SAFETY
Service TPMS Warning
The Tire Pressure Monitoring System Warning
Light will flash on and off for 75 seconds, and
remain on solid when a system fault is detected.
The system fault will also sound a chime. The
instrument cluster display will display a
“SERVICE TPM SYSTEM” message for a
minimum of five seconds. This message is then
followed by a graphic display, with “--“ in place
of the pressure value(s), indicating which Tire
Pressure Monitoring System sensor(s) is not
being received.
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, the "SERVICE TPM SYSTEM"
message will not be present, and a pressure
value will be displayed instead of dashes. A
system fault can occur by any of the following:
Jamming due to electronic devices or driving
next to facilities emitting the same Radio
Frequencies as the TPMS sensors.
Lots of snow or ice around the wheels or
wheel housings.
Using tire chains on the vehicle.
Using wheels/tires not equipped with TPMS
sensors.
NOTE:
Only vehicles equipped with a full size matching
spare (i.e., matching with a road wheel) come
with a Tire Pressure Monitoring System (TPMS)
sensor mounted in the spare tire. In either option
of having a full size spare equipped or not, the
tire pressure is not monitored or displayed on the
cluster for the corresponding spare tire location.
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 System Warning
Light will remain on, a chime will sound, and the
instrument cluster display will still display a pres-
sure value in the different color graphic display
and an “Inflate to XX” message will be displayed.
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 display will
display a “SERVICE TPM SYSTEM" message for
five seconds and then display dashes (--) in place
of the pressure value. For each subsequent igni-
tion 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 display 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 System
Warning Light will turn off and the graphic in the
instrument cluster display 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 Tire Pressure Monitoring System (TPMS)
can be deactivated by replacing all four wheel
and tire assemblies (road tires) with wheel and
tire assemblies that do not have TPMS sensors,
such as when installing winter wheel and tire
assemblies on your vehicle.
21_WL_OM_EN_USC_t.book Page 256
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