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the graphic display of the pressure value(s) will stop
flashing or return to their normal color, and the Tire
Pressure Monitoring Light will extinguish once the up-
dated 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 Message
The Tire Pressure Monitoring Telltale Light will flash on
and off for 75 seconds, and then remain on solid when a
system fault is detected. The system fault will also sound
a chime. The EVIC will display a “SERVICE TPM SYS-
TEM” message for a minimum of five seconds. This text
message is then followed by a graphic display, with “- -“
in place of the pressure value(s) indicating which Tire
Pressure Monitoring Sensor(s) is not being received.
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 ⬙SERVICE TPM SYSTEM⬙
message will not be present, and a pressure value will be
displayed instead of dashes. A system fault can occur
with any of the following scenarios:
1. Jamming due to electronic devices or driving next to
facilities emitting the same radio frequencies as the TPM
sensors.
2. Installing some form of aftermarket window tinting
that affects radio wave signals.
3. Snow or ice around the wheels or wheel housings.
4. Using tire chains on the vehicle.
5. Using wheels/tires not equipped with TPM sensors.
The EVIC will also display a “SERVICE TPM SYSTEM”
message for a minimum of five seconds and the Tire
Pressure Monitoring Telltale Light will flash on and off
for 75 seconds, and then remain on solid when a system
458 STARTING AND OPERATING
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