4WD GMC SIERRA DENALI 2018 Owners Manual

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Instruments and Controls 163Economy Trend : Shows history of
the Average Fuel Economy from the
last 50 km (30 mi). Each bar
represents about 5 km (3 mi) of
driving. During driving the bars will
shift to always reflect the most
recent distance on the right side.
Press and hold
V to clear the graph
or press
p to reset through
the menu.
ECO Index : The bar graph
provides feedback on the efficiency
of current driving behavior. The
graph shows a value that is based
on current fuel consumption
compared to what is expected from
the vehicle with good and bad
driving habits. It also shows if the
Active Fuel Management is active
and in V4 mode, or inactive and in
V8 mode. See Active Fuel
Management 0 264 . Engine Hours : Shows the total
number of hours the engine has run.
This display also shows the engine
idle hours.
Trailer Brake : On vehicles with the
Integrated Trailer Brake Control
(ITBC) system, the trailer brake
display appears in the DIC.
TRAILER GAIN shows the trailer
gain setting. This setting can be
adjusted from 0.0 to 10.0 with either
a trailer connected or disconnected.
OUTPUT shows the power output to
the trailer any time a trailer with
electric brakes is connected. Output
is displayed as a bar graph. Dashes
may appear in the OUTPUT display.
Speed Signs : Shows sign
information, which comes from a
roadway database in the onboard
navigation. Following Distance : Used to
select the alert timing for the
Forward Collision Alert (FCA). See
Forward Collision Alert (FCA)
System 0 292 .
Blank Page : Shows no
information.
Transmission Fluid Temperature
Gauge : Shows the temperature of
the automatic transmission fluid in
either degrees Celsius (°C) or
degrees Fahrenheit (°F).
Off Road : Displays vehicle pitch
and roll information, road wheel
angle, and four-wheel drive (4WD)
status.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Driving and Operating 3131500/2500/3500 Series Pickups – SAE J2807 Compliant
Vehicle Axle Ratio Maximum Trailer
Weight (c) GCWR (a)
1500 Series 2WD Regular Cab Long Box
4.3L V6 3.23 2 676 kg (5,900 lb) 4 990 kg (11,000 lb)
5.3L V8 – Conventional Trailer 3.08 3 084 kg (6,800 lb) 5 443 kg (12,000 lb)
5.3L V8 – Gooseneck/Fifth-Wheel
Trailer 3.08 3 039 kg (6,700 lb) 5 443 kg (12,000 lb)
5.3L V8 – Conventional Trailer 3.42 4 445 kg (9,800 lb) 6 804 kg (15,000 lb)
5.3L V8 – Gooseneck/Fifth-Wheel
Trailer 3.42 4 400 kg (9,700 lb) 6 804 kg (15,000 lb)
1500 Series 4WD Regular Cab Standard Box
4.3L V6 – Conventional Trailer 3.42 3 447 kg (7,600 lb) 5 806 kg (12,800 lb)
4.3L V6 – Gooseneck/Fifth-Wheel
Trailer 3.42 3 402 kg (7,500 lb) 5 806 kg (12,800 lb)
5.3L V8 3.08 2 994 kg (6,600 lb) 5 443 kg (12,000 lb)
5.3L V8 3.42 3 901 kg (8,600 lb) 6 350 kg (14,000 lb)
1500 Series 4WD Double Cab Standard Box
4.3L V6 – Conventional Trailer 3.42 3 221 kg (7,100 lb) 5 806 kg (12,800 lb)
4.3L V6 – Gooseneck/Fifth Wheel 3.42 3 175 kg (7,000 lb) 5 806 kg (12,800 lb)

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
314 Driving and Operating 1500/2500/3500 Series Pickups – SAE J2807 Compliant
Vehicle Axle Ratio Maximum Trailer
Weight (c) GCWR (a)
5.3L V8 3.08 2 812 kg (6,200 lb) 5 443 kg (12,000 lb)
5.3L V8 – Gooseneck/Fifth Wheel 3.08 2 767 kg (6,100 lb) 5 443 kg (12,000 lb)
5.3L V8 – Conventional Trailer 3.42 4 173 kg (9,200 lb) 6 804 kg (15,000 lb)
5.3L V8 – Gooseneck/Fifth Wheel 3.42 4 082 kg (9,000 lb) 6 804 kg (15,000 lb)
5.3L V8, 8-speed automatic
transmission with Enhanced
Towing Package 3.42 4 899 kg (10,800 lb) 7 575 kg (16,700 lb)
5.3L V8 3.73 4 899 kg (10,800 lb) 7 575 kg (16,700 lb)
6.2L V8 – Conventional Trailer 3.23 4 128 kg (9,100 lb) 6 804 kg (15,000 lb)
6.2L V8 – Gooseneck/Fifth-Wheel
Trailer 3.23 3 901 kg (8,600 lb) 6 804 kg (15,000 lb)
6.2L V8 – Conventional Trailer 3.42 5 352 kg (11,800 lb) 8 029 kg (17,700 lb)
6.2L V8 – Gooseneck/Fifth-Wheel
Trailer 3.42 4 990 kg (11,000 lb) 8 029 kg (17,700 lb)
1500 Series 4WD Crew Cab Standard Box
5.3L V8 – Conventional Trailer 3.08 2 767 kg (6,100 lb) 5 443 kg (12,000 lb)
5.3L V8 – Gooseneck/Fifth-Wheel
Trailer 3.08 2 722 kg (6,000 lb) 5 443 kg (12,000 lb)

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
316 Driving and Operating 1500/2500/3500 Series Pickups – SAE J2807 Compliant
Vehicle Axle Ratio Maximum Trailer
Weight (c) GCWR (a)
6.2L V8 – Gooseneck/Fifth-Wheel
Trailer 3.42 4 627 kg (10,200 lb) 8 029 kg (17,700 lb)
1500 Series 4WD Crew Cab Short Box (b)
4.3L V6 3.42 3 175 kg (7,000 lb) 5 806 kg (12,800 lb)
5.3L V8 3.08 2 767 kg (6,100 lb) 5 443 kg (12,000 lb)
5.3L V8 3.42 4 128 kg (9,100 lb) 6 804 kg (15,000 lb)
5.3L V8, 8-speed automatic
transmission with Enhanced
Towing Package 3.42 4 853 kg (10,700 lb) 7 575 kg (16,700 lb)
5.3L V8 3.73 4 853 kg (10,700 lb) 7 575 kg (16,700 lb)
6.2L V8 3.23 4 128 kg (9,100 lb) 6 804 kg (15,000 lb)
6.2L V8 3.42 5 307 kg (11,700 lb) 8 029 kg (17,700 lb)
1500 Series 4WD Regular Cab Long Box
4.3L V6 – Conventional Trailer 3.42 3 357 kg (7,400 lb) 5 806 kg (12,800 lb)
4.3L V6 – Gooseneck/Fifth Wheel 3.42 3 311 kg (7,300 lb) 5 806 kg (12,800 lb)
5.3L V8 – Conventional Trailer 3.08 2 948 kg (6,500 lb) 5 443 kg (12,000 lb)
5.3L V8 – Gooseneck/Fifth Wheel 3.08 2 903 kg (6,400 lb) 5 443 kg (12,000 lb)

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
318 Driving and Operating 1500/2500/3500 Series Pickups – SAE J2807 Compliant
Vehicle Axle Ratio Maximum Trailer
Weight (c) GCWR (a)
2500 Series 2WD Double Cab Long Box
6.0L V8 3.73 4 491 kg (9,900 lb) 7 530 kg (16,600 lb)
6.0L V8 – Conventional Trailer 4.10 6 532 kg (14,400 lb) 9 571 kg (21,100 lb)
6.0L V8 – Fifth-Wheel Trailer 4.10 6 532 kg (14,400 lb) 9 571 kg (21,100 lb)
2500 Series 2WD Crew Cab Long Box
6.0L V8 3.73 4 400 kg (9,700 lb) 7 530 kg (16,600 lb)
6.0L V8 – Conventional Trailer 4.10 6 486 kg (14,300 lb) 9 571 kg (21,100 lb)
6.0L V8 – Fifth-Wheel Trailer 4.10 6 441 kg (14,200 lb) 9 571 kg (21,100 lb)
2500 Series 4WD Double Cab Standard Box
6.0L V8 3.73 4 400 kg (9,700 lb) 7 530 kg (16,600 lb)
6.0L V8 – Conventional Trailer 4.10 5 897 kg (13,000 lb) 9 571 kg (21,100 lb)
6.0L V8 – Fifth-Wheel Trailer 4.10 6 441 kg (14,200 lb) 9 571 kg (21,100 lb)
2500 Series 4WD Crew Cab Standard Box
6.0L V8 3.73 4 309 kg (9,500 lb) 7 530 kg (16,600 lb)
6.0L V8 – Conventional Trailer 4.10 5 897 kg (13,000 lb) 9 571 kg (21,100 lb)
6.0L V8 – Fifth-Wheel Trailer 4.10 6 350 kg (14,000 lb) 9 571 kg (21,100 lb)

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Driving and Operating 3191500/2500/3500 Series Pickups – SAE J2807 Compliant
Vehicle Axle Ratio Maximum Trailer
Weight (c) GCWR (a)
2500 Series 4WD Regular Cab Long Box
6.0L V8 3.73 4 536 kg (10,000 lb) 7 530 kg (16,600 lb)
6.0L V8 – Conventional Trailer 4.10 6 577 kg (14,500 lb) 9 571 kg (21,100 lb)
6.0L V8 – Fifth-Wheel Trailer 4.10 6 577 kg (14,500 lb) 9 571 kg (21,100 lb)
2500 Series 4WD Double Cab Long Box
6.0L V8 3.73 4 354 kg (9,600 lb) 7 530 kg (16,600 lb)
6.0L V8 – Conventional Trailer 4.10 6 396 kg (14,100 lb) 9 571 kg (21,100 lb)
6.0L V8 – Fifth-Wheel Trailer 4.10 6 396 kg (14,100 lb) 9 571 kg (21,100 lb)
2500 Series 4WD Crew Cab Long Box
6.0L V8 3.73 4 264 kg (9,400 lb) 7 530 kg (16,600 lb)
6.0L V8 – Conventional Trailer 4.10 6 305 kg (13,900 lb) 9 571 kg (21,100 lb)
6.0L V8 – Fifth-Wheel Trailer 4.10 6 305 kg (13,900 lb) 9 571 kg (21,100 lb)
3500 Series 2WD Regular Cab Long Box
6.0L V8 (Single Rear Wheels) 3.73 4 581 kg (10,100 lb) 7 530 kg (16,600 lb)
6.0L V8 (Single Rear Wheels) 4.10 6 577 kg (14,500 lb) 9 571 kg (21,100 lb)
6.0L V8 (Dual Rear Wheels) 3.73 4 445 kg (9,800 lb) 7 530 kg (16,600 lb)

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Driving and Operating 3211500/2500/3500 Series Pickups – SAE J2807 Compliant
Vehicle Axle Ratio Maximum Trailer
Weight (c) GCWR (a)
3500 Series 4WD Regular Cab Long Box
6.0L V8 (Single Rear Wheels) 3.73 4 445 kg (9,800 lb) 7 530 kg (16,600 lb)
6.0L V8 (Single Rear Wheels)
Conventional Trailer 4.10 6 486 kg (14,300 lb) 9 571 kg (21,100 lb)
6.0L V8 (Dual Rear Wheels) 3.73 4 264 kg (9,400 lb) 7 530 kg (16,600 lb)
6.0L V8 (Dual Rear Wheels) 4.10 6 305 kg (13,900 lb) 9 571 kg (21,100 lb)
3500 Series 4WD Crew Cab Standard Box
6.0L V8 3.73 4 264 kg (9,400 lb) 7 530 kg (16,600 lb)
6.0L V8 – Conventional Trailer 4.10 5 897 kg (13,000 lb) 9 571 kg (21,100 lb)
6.0L V8 – Fifth-Wheel Trailer 4.10 6 305 kg (13,900 lb) 9 571 kg (21,100 lb)
3500 Series 4WD Double Cab Long Box
6.0L V8 (Single Rear Wheels) 3.73 4 264 kg (9,400 lb) 7 530 kg (16,600 lb)
6.0L V8 (Single Rear Wheels) 4.10 6 305 kg (13,900 lb) 9 571 kg (21,100 lb)
6.0L V8 (Dual Rear Wheels) 3.73 4 082 kg (9,000 lb) 7 530 kg (16,600 lb)
6.0L V8 (Dual Rear Wheels) 4.10 6 123 kg (13,500 lb) 9 571 kg (21,100 lb)

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
322 Driving and Operating 1500/2500/3500 Series Pickups – SAE J2807 Compliant
Vehicle Axle Ratio Maximum Trailer
Weight (c) GCWR (a)
3500 Series 4WD Crew Cab Long Box
6.0L V8 (Single Rear Wheels) 3.73 4 173 kg (9,200 lb) 7 530 kg (16,600 lb)
6.0L V8 (Single Rear Wheels)
Conventional Trailer 4.10 6 214 kg (13,700 lb) 9 571 kg (21,100 lb)
6.0L V8 (Dual Rear Wheels) 3.73 3 992 kg (8,800 lb) 7 530 kg (16,600 lb)
6.0L V8 (Dual Rear Wheels) 4.10 6 033 kg (13,300 lb) 9 571 kg (21,100 lb)
3600 Series Chassis Cab 2WD/4WD
6.0L V8 3.73 (d) 7 530 kg (16,600 lb)
6.0L V8 4.10 (d) 9 571 kg (21,100 lb)
(a) 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 the vehicle should not be
exceeded.
(b) This model is neither designed nor intended to tow fifth-wheel or gooseneck trailers.
(c) For pickup box delete vehicles, choose an appropriate hitch and load the truck and trailer within the limits of
GCWR, GVWR, and RGAWR.
(d) Maximum Trailer Weight cannot be provided because total vehicle weight is unknown.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Vehicle Care 383Fuses Usage
3 Antilock brake
system pump
4 Instrument
panel BEC 1
5 Passenger
motorized seat belt
6 4WD transfer case
electronic control
7 Electric park brake
8 Instrument
panel BEC 2
9 Driver motorized
seat belt
10 Rear window
defogger
11 Starter
12 Cooling fan 1
13 Cooling fan 2
14 Left trailer stop/
Turn signal lamps
15 Trailer parking
lamps Fuses Usage
16 Trailer reverse
lamps
17 Right trailer stop/
Turn signal lamps
18 Fuel pump
19 Integrated chassis
control module
20 Electronic
suspension control
module
21 Fuel pump power
module
22 Upfitter 1
23 Upfitter 2
24 Front wiper
25 Antilock brake
system valve
26 Upfitter 2
27 Upfitter 3
28 Right parking
lamps
29 Left parking lamps Fuses Usage
30 Upfitter 3
31 Upfitter 4
32 Upfitter 4
33 Reverse lamps
34 Engine control
module/Ignition
35 Air conditioning
clutch
36 Heated mirrors
37 Upfitter 1
38 Center
high-mounted
stoplamp
39 Miscellaneous/
Ignition
40 Transmission/
Ignition
41 Fuel pump 2
42 Cooling fan clutch
43 Engine
44 Fuel
injectors A – odd

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
388 Vehicle Care Fuses Usage
19 –
20 –
22 Heating, ventilation,
and air conditioning/
Auxiliary heating,
ventilation, and air
conditioning/Ignition
23 Instrument cluster/
Ignition sensing
diagnostic module/
Ignition
24 –
25 Data link connector/
Driver seat module
26 Passive entry/Passive
start/Heating,
ventilation, and air
conditioning
27 – Fuses Usage
28 –
29 Park enable/
Electrically adjustable
pedals
30 Special equipment
option
31 Accessory/Run/Crank
32 Heated steering wheel
33 –
34 Instrument cluster
36 –
37 –
38 4WD transfer case
electronic control
40 Left doors
41 Driver power seat Fuses Usage
43 Left heated, cooled or
ventilated seats (if
equipped)
44 Right heated, cooled
or ventilated seats (if
equipped)
45 –
Relays Usage
49 Retained accessory
power
50 Run/Crank