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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:
There is no Tire Pressure Monitoring System 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 System Warning Light will
remain on, a chime will sound, and the instrument clus-
ter display will still display a pressure value in the differ-
ent color graphic display and an “Inflate to XX” mes-
sage 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 dis-
play 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 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 instru-
ment 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 if replacing all four wheel and tire assem-
blies (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.
To deactivate the TPMS, first, replace all four wheel and
tire assemblies (road tires) with tires not equipped with
Tire Pressure Monitoring System sensors. Then, drive
the vehicle for 20 minutes above 15 mph (24 km/h).
The TPMS will chime, the TPMS Warning Light will flash
on and off for 75 seconds and then remain on. The
instrument cluster will display the “SERVICE TPM SYS-
TEM” message and then display dashes (--) in place of
the pressure values.
Beginning with the next ignition cycle, the TPMS will no
longer chime or display the “SERVICE TPM SYSTEM”
message in the instrument cluster but dashes (--) will
remain in place of the pressure values.
To reactivate the TPMS, replace all four wheel and tire
assemblies (road tires) with tires equipped with TPMS
sensors. Then, drive the vehicle for up to 20 minutes
above 15 mph (24 km/h). The TPMS will chime, the
TPMS Warning Light will flash on and off for 75 seconds
and then turn off. The instrument cluster will display the
“SERVICE TPM SYSTEM” message and then display
pressure values in place of the dashes. On the next
ignition cycle the "SERVICE TPM SYSTEM" message will
no longer be displayed as long as no system fault
exists.
Tire Fill Alert
This feature notifies the user when the placard tire
pressure is attained while inflating or deflating the tire.
The customer may choose to disable or enable the Tire
Fill Alert feature in the apps menu of the Uconnect
system.
NOTE:
•
The Tire Fill Alert system will only support inflating or
deflating one tire at a time. The user is required to
wait until the hazard lights STOP flashing or
26-30 seconds after the desired pressure is
achieved in one wheel before switching to another.
•
The Tire Fill Alert feature cannot be entered if an
existing TPMS fault is set to “active” or if the system
is in deactivation mode (if equipped).
The system will be activated when the system detects
an increase in tire pressure while filling the tire. The
ignition must be in the ON/RUN mode with the trans-
mission in PARK.
NOTE:
It is not required to have the engine running to enter
Tire Fill Alert mode.
The hazard lights will come on to confirm the vehicle is
in Tire Fill Alert mode. If the hazard lights do not come
on while inflating the tire, the Tire Pressure Monitoring
System sensor may be in an inoperative position, pre-
venting the TPMS sensor signal from being received. In
this case, the vehicle may need to be moved slightly
forward or backward.
242 SAFETY
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