Jeep GRAND CHEROKEE WK 2022 Owner's Manual page 200

198 SAFETY
The TPMS uses wireless technology with wheel
rim-mounted electronic sensors to monitor tire
pressure levels. Sensors, mounted to each wheel
as part of the valve stem, transmit tire pressure
readings to the receiver module.
Tire Pressure Monitoring System Display
NOTE:
It is particularly important for you to regularly check
the tire pressure in all of your tires and to maintain
the proper pressure Ú page 314.
The Tire Pressure Monitoring System (TPMS)
consists of the following components:
Receiver module

Four Tire Pressure Monitoring System sensors

Various Tire Pressure Monitoring System

Messages, which display in the instrument
cluster, and a graphic displaying tire pressures
TPMS Warning Light

Tire Pressure Monitoring System Low
Pressure Warnings
The TPMS Warning Light will illuminate in
the instrument cluster, and an audible
chime will be activated, when one or
more of the four active road tire
pressures are low. In addition, the instrument
cluster will display an "Inflate to XX" message and
a graphic display of the pressure value(s) with the
low tire(s) in a different color.
NOTE:
Your system can be set to display pressure units in
PSI, BAR, or kPa.
Low Tire Pressure Monitoring System Display
Should a low tire condition occur on any of the four
active road tire(s), you should stop as soon as
possible, and inflate the low tire(s) that is in a
different color on the graphic display to the
vehicle's recommended cold tire pressure
displayed in the "Inflate to XX" message.
NOTE:
When filling warm tires, the tire pressure may need
to be increased up to an additional 4 psi (28 kPa)
above the recommended cold placard pressure in
order to turn the TPMS Warning Light off.
The system will automatically update, the graphic
display of the pressure value(s) will return to its
original color and the TPMS Warning Light will
extinguish once the updated tire pressure(s) have
been received. The vehicle may need to be driven
for up to 20 minutes above 15 mph (24 km/h) to
receive this information.
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