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in place of the pressure value(s), indicating which Tire
Pressure Monitoring 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 Telltale
Light” will no longer flash, theSERVICE 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:
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. Lots of 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.
NOTE:
•
If your vehicle is equipped with a matching full-size
spare wheel and tire assembly, it has a tire pressure
monitoring sensor, and can be monitored by the Tire
Pressure Monitoring System (TPMS) when swapped
with a low pressure road tire.. In the event that the
matching full-size spare tire is swapped with a low
pressure road tire, the next ignition switch cycle will
still show the “Tire Pressure Monitoring Telltale Light”
to be ON, a chime to sound, a “LOW TIRE” message to
appear in the EVIC, and the graphic display will still
show the Inflate to XX message and the low tire
pressure value “flashing.” Driving the vehicle for up to
10 minutes above 15 mph (24 km/h) will turn OFF the
“Tire Pressure Monitoring Telltale Light” as long as
none of road tires are below the low pressure warning
threshold.
532 STARTING AND OPERATING
Page 535 of 705

•If your vehicle is not equipped with a matching
full-size spare wheel and tire assembly, it does not
have a tire pressure monitoring sensor in the spare tire.
The TPMS will not be able to monitor the tire pressure.
If you install the spare tire in place of a road tire that
has a pressure below the low-pressure warning limit,
upon the next ignition switch cycle, the “Tire Pressure
Monitoring Telltale Light” will remain ON, a chime
will sound, and the EVIC will still display the Inflate
to XX message and a “flashing” pressure value in the
graphic display. After driving the vehicle for up to 10
minutes above 15 mph (24 km/h), the “Tire Pressure
Monitoring Telltale Light” will flash on and off for 75
seconds and then remain on solid. In addition, the
EVIC will display a “SERVICE TPM SYSTEM mes-
sage for a minimum of five seconds and then display
dashes (- -) in place of the pressure value. For each
subsequent ignition switch cycle, a chime will sound,
the “Tire Pressure Monitoring Telltale Light” will flash on and off for 75 seconds and then remain on solid,
and the EVIC will display a
SERVICE TPM SYSTEM
message for a minimum of five seconds and then
display dashes (- -) in place of the pressure value.
• Once you repair or replace the original road tire, and
reinstall it on the vehicle in place of the spare tire, the
TPMS will update automatically.
In addition, the “Tire Pressure Monitoring Telltale Light”
will turn OFF and the graphic in the EVIC will display a
new pressure value instead of dashes (- -), as long as no
tire pressure is below the low-pressure warning limit in
any of the four active road tires. The vehicle may need to
be driven for up to 10 minutes above 15 mph (24 km/h)
in order for the TPMS to receive this information.
5
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Page 652 of 705
Cavity Cartridge Fuse Mini FuseDescription
J17 40 Amp Green –Starter Solenoid
J18 20 Amp Blue –Powertrain Control Module (PCM) Trans Range
J19 60 Amp Yellow – Radiator Fan
J20 30 Amp Pink –Front Wiper LO/HI
J21 20 Amp Blue –Front/Rear Washer
J22 – – Spare
M1 –15 Amp Blue Center High-Mounted Stop Light (CHMSL)/Switch Stop
Lamp Feed
M2 –20 Amp Yellow Relay Trailer Lighting (Stoplamp)
M3 –20 Amp Yellow Frt/Rear Axle Locker Relay
M4 –2 Amp Grey Clock Spring
M5 –25 Amp Clear Power Inverter – If Equipped
M6 –20 Amp Yellow Power Outlet #1/Rain Sensor
M7 –20 Amp Yellow Power Outlet #2 (BATT/ACC SELECT)
M8 –20 Amp Yellow Front Heated Seat
650 MAINTAINING YOUR VEHICLE
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