Jeep 2009 Commander Owner's Manual page 338

336 STARTING AND OPERATING
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.
CHECK TPM SYSTEM Warning
The Tire Pressure Monitoring Telltale 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 EVIC will display a "CHECK TPM SYS-
TEM" message for three seconds. This message is then
followed by a graphic display, with "- -" in place of the
pressure value(s), indicating which Tire Pressure Moni-
toring Sensor(s) is not being received.
NOTE: Your system can be set to display pressure units
in PSI, kPa, or BAR.
If the ignition key is cycled, this sequence will repeat,
providing the system fault still exists. If the system fault
no longer exists, the Tire Pressure Monitoring Telltale
Light will no longer flash, the CHECK 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: