PARK BRK (Brake)
This message displays when the parking brake
is set. SeeParking Brake on page 130and
Brake System Warning Light on page 185for
more information. The message clears from the
display after the parking brake is released or
by pressing and releasing the reset stem.
REDUCED POWER
This message displays when the vehicle’s
engine power is reduced. Reduced engine power
can affect the vehicle’s ability to accelerate.
If this message is on, but there is no reduction
in performance, proceed to your destination.
The performance may be reduced the next time
the vehicle is driven. The vehicle may be driven at
a reduced speed while this message is on, but
acceleration and speed may be reduced. Anytime
this message stays on, the vehicle should be
taken to your dealer for service as soon as
possible. Press and release the reset stem to
acknowledge the message and clear it from
the display.
SERV (Service) 4WD (Four-Wheel Drive)
This message displays when there is a problem
with the transfer case control system. Check the
transfer case on your vehicle and have it serviced
by your dealer. SeeFour-Wheel Drive on page 126
for more information about the transfer case. Press
and release the reset stem to acknowledge the
message and clear it from the display.
SERV (Service) TPM
(Tire Pressure Monitor)
This message displays if any of the tire monitor
sensors have malfunctioned, if the tire monitor
sensors have not been programmed, or if
the recommended tire pressures are not
programmed. The tire pressure light also ashes
for one minute and then turns on solid until
the condition goes away or the system is serviced.
SeeTire Pressure Light on page 187. Press
and release the reset stem to acknowledge the
message and clear it from the display. This
message appears at each ignition cycle until the
system is serviced. See your dealer for service.
SeeTire Pressure Monitor System on page 378
for more information.
201
4WD Regular Cab Axle Ratio Maximum Trailer Weight GCWR*
Automatic Transmission, 2.9L Engine 3.73 3,000 lbs (1 361 kg) 7,000 lbs (3 175 kg)
Automatic Transmission, 2.9L Engine 4.10 3,000 lbs (1 361 kg) 7,000 lbs (3 175 kg)
Automatic Transmission, 3.7L Engine 3.73 4,000 lbs (1 814 kg) 9,000 lbs (4 082 kg)
Manual Transmission, 2.9L Engine 3.73 2,000 lbs (907 kg) 6,000 lbs (2 722 kg)
Manual Transmission, 2.9L Engine 4.10 2,000 lbs (907 kg) 6,000 lbs (2 722 kg)
4WD Extended Cab Axle Ratio Maximum Trailer Weight GCWR*
Automatic Transmission, 2.9L Engine 3.73 2,900 lbs (1 315 kg) 7,000 lbs (3 175 kg)
Automatic Transmission, 2.9L Engine 4.10 2,900 lbs (1 315 kg) 7,000 lbs (3 175 kg)
Automatic Transmission, 3.7L Engine 3.73 4,000 lbs (1 814 kg) 9,000 lbs (4 082 kg)
Manual Transmission, 2.9L Engine 3.73 1,900 lbs (861 kg) 6,000 lbs (2 722 kg)
Manual Transmission, 2.9L Engine 4.10 1,900 lbs (861 kg) 6,000 lbs (2 722 kg)
4WD Crew Cab Axle Ratio Maximum Trailer Weight GCWR*
Automatic Transmission, 3.7L Engine 3.73 4,000 lbs (1 814 kg) 9,000 lbs (4 082 kg)
*The Gross Combination Weight Rating (GCWR) is the total allowable weight of the completely loaded
vehicle and trailer including any passengers, cargo, equipment and conversions. The GCWR for your
vehicle should not be exceeded.
303
Fuses Usage
REAR PRK
LAMP2Driver’s Side Rear Taillamp,
Passenger Side Airbag Indicator
Lighting, Instrument Panel Dimming
Power (2WD/4WD switch lighting)
CLSTR Cluster
TRN/HAZRD
FRTTurn/Hazard/Courtesy/Cargo
Lamps/Mirrors
TCCM Transfer Case Control Module
HORN Horn
TBC Truck Body Controller
IGN TRNSD Ignition Transducers
RDO Radio
ONSTAR OnStar
®
CNSTR VENT Fuel Canister Vent Solenoid
PCM B Powertrain Control Module (PCM) B
Relays Usage
DRL Daylight Running Lamps
BEAM SEL Beam Selection
IGN 3 HVACIgnition 3, Climate Control, Climate
Control Head Fuse, Power Seat
Fuse
RAPRetained Accessory Power (Power
Window Fuse, Wiper/Washer Switch
Fuse), Sunroof Fuse
Relays Usage
PRK/LAMPFront Parking Lamp Fuse, Rear
Parking Lamps
HDLP Headlamps
FOG/LAMP Fog Lamps (If Equipped)
FUEL/PUMP Fuel Pump, Fuel Pump Fuse
A/C CMPRSR Air Conditioning Compressor
RUN/CRNKRun/Crank, Airbag System Fuse,
Cruise Control Fuse, Ignition Fuse,
Back-Up Lamps, ABS Fuse, Front
Axle, PCM-1, Injectors Fuse,
Transmission Fuse, ERLS
PWR/TRNPowertrain, Electronic Throttle
Control Fuse, Oxygen Sensor Fuse
HORN Horn
WPR 2 Wiper 2 (High/Low)
WPR Wipers (On/Off)
STRTR Starter Relay (PCM Relay)
Miscellaneous Usage
WPR Diode — Wiper
A/C CLTCH Diode — Air Conditioning, Clutch
MEGA FUSE Mega Fuse
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