Jeep Grand Cherokee, Operating Information Manual

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Premium System – If Equipped
The Tire Pressure Monitor System (TPMS) uses
wireless technology with wheel rim mounted
electronic sensors to monitor tire pressure lev-
els. Sensors, mounted to each wheel as part of
the valve stem, transmit tire pressure readings
to the receiver module.
NOTE:
It is particularly important for you to check
the tire pressure in all of the tires on your
vehicle monthly and to maintain the proper
pressure.
The TPMS consists of the following compo-
nents:
•
Receiver Module
•
Four Tire Pressure Monitoring Sensors
•
Three Trigger Modules (mounted in three of
the four wheel-wells)
•
Various Tire Pressure Monitoring System
Messages, which display in the Electronic
Vehicle Information Center (EVIC)
•
Tire Pressure Monitoring Telltale Light
The matching full size spare wheel and tire
assembly (if equipped) has a tire pressure
monitoring sensor. The full size spare can be
used in place of any of the four road tires. A
spare with a pressure below the low-pressure
limit will not cause the “Tire Pressure Monitoring
Telltale Light” to illuminate or the chime to
sound.
Tire Pressure Monitoring Low Pressure
Warnings
The “Tire Pressure Monitoring Telltale
Light” will illuminate in the instrument
cluster and a chime will sound when
tire pressure is low in one or more of
the four active road tires. In addition, the Elec-
tronic Vehicle Information Center (EVIC) will
display a Low Tire pressure text message and
graphic showing the pressure values of each
tire with the low tire pressure values flashing.
Should this occur, you should stop as soon as
possible, and inflate the tires with low pressure
(those flashing in the EVIC graphic) to the
vehicle’s recommended cold placard pressure
value. Once the system receives the updated
tire pressures, the system will automatically
update, the graphic display in the EVIC will
stop flashing, and the “Tire Pressure Monitoring
Telltale Light” will turn off. The vehicle may need
to be driven for up to 20 minutes above 15 mph
(25 km/h) in order for the TPMS to receive this
information.
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