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Service TPMS Message
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 instrument cluster will display a “SERVICE TPM
SYSTEM” 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⬙ text
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 instrument cluster will also display a ⬙SERVICE TPM
SYSTEM⬙ message for a minimum of five seconds when a
system fault related to an incorrect sensor location fault is
detected. In this case, the ⬙SERVICE TPM SYSTEM⬙ mes-
sage is then followed with a graphic display with pressure
values still shown. This indicates that the pressure values
are still being received from the TPM sensors but they may
not be located in the correct vehicle position. The system
still needs to be serviced as long as the ⬙SERVICE TPM
SYSTEM⬙ message is displayed.
Tire Pressure Monitoring Display
148 SAFETY
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