2015 CHEVROLET SILVERADO ECU

Black plate (41,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/6/15
Instruments and Controls 5-41
Security Messages
SERVICE THEFT DETERRENT
SYSTEM
This message displays when there
is a problem with the theft-deterrent
system. The vehicle may or may not
restart, so you may want to take the
vehicle to your dealer before turning
off the engine. SeeImmobilizer
Operation on page 2-13.
Steering System
Messages
STEERING ASSIST IS
REDUCED DRIVE WITH CARE
This message may display if a
problem occurs with the electric
power steering system. If this
message appears, steering effort
may be slightly higher than normal.
The vehicle is still safe to drive. Use
caution while in reduced assist
mode. If this message is persistent or appears repeatedly, take the
vehicle to your dealer for service.
See
Steering on page 9-4.
SERVICE POWER STEERING
This message displays when there
is a problem with electric power
steering. If this message displays
and a reduction in steering
performance or loss of power
steering assistance is noticed, see
your dealer. See Steering on
page 9-4.
Tire Messages
SERVICE TIRE MONITOR
SYSTEM
If equipped with the Tire Pressure
Monitor System (TPMS), this
message displays if a part on the
system is not working properly. The
tire pressure light also flashes and
then remains on during the same
ignition cycle. See Tire Pressure
Light on page 5-27. Several
conditions may cause this message to appear. See
Tire Pressure
Monitor Operation on page 10-65.
If the warning comes on and stays
on, there may be a problem with the
TPMS. See your dealer.
TIRE LEARNING ACTIVE
If equipped with the Tire Pressure
Monitor System (TPMS), this
message displays when the system
is relearning the tire positions on
your vehicle. The tire positions must
be relearned after rotating the tires
or after replacing a tire or sensor.
See Tire Inspection on page 10-69,
Tire Rotation on page 10-69, Tire
Pressure Monitor System on
page 10-64, and Tire Pressure on
page 10-62.
TIRE PRESSURE LOW ADD
AIR TO TIRE
If equipped with the Tire Pressure
Monitor System (TPMS), this
message displays when the
pressure in one or more of the
vehicle's tires is low. This message
also displays with a vehicle picture

Black plate (52,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/6/15
5-52 Instruments and Controls
Universal Remote
System
SeeRadio Frequency Statement on
page 13-12.
Universal Remote System
Programming
If equipped, these buttons are in the
overhead console.
This system can replace up to three
remote control transmitters used to
activate devices such as garage
door openers, security systems, and
home automation devices. These
instructions refer to a garage door
opener, but can be used for other
devices. Do not use the Universal Remote
system with any garage door opener
that does not have the stop and
reverse feature. This includes any
garage door opener model
manufactured before April 1, 1982.
Read the instructions completely
before programming the Universal
Remote system. It may help to have
another person assist with the
programming process.
Keep the original hand-held
transmitter for use in other vehicles
as well as for future programming.
Erase the programming when
vehicle ownership is terminated.
See
“Erasing Universal Remote
System Buttons” later in this
section.
To program a garage door opener,
park outside directly in line with and
facing the garage door opener
receiver. Clear all people and
objects near the garage door. Make sure the hand-held transmitter
has a new battery for quick and
accurate transmission of the
radio-frequency signal.
Programming the Universal
Remote System
For questions or help programming
the Universal Remote system, call
1-800-355-3515 or see
www.homelink.com.
Programming involves
time-sensitive actions, and may time
out causing the procedure to be
repeated.
To program up to three devices:
1. Hold the end of the hand-held
transmitter about 3 to 8 cm (1 to
3 in) away from the Universal
Remote system buttons with the
indicator light in view. The
hand-held transmitter was
supplied by the manufacturer of
the garage door opener receiver.

Black plate (11,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/6/15
Infotainment System 7-11
SiriusXM Satellite Radio
Service
If equipped, SiriusXM Satellite
Radio Service provides digital radio
reception. Tall buildings or hills can
interfere with satellite radio signals,
causing the sound to fade in and
out. In addition, traveling or standing
under heavy foliage, bridges,
garages, or tunnels may cause loss
of the SiriusXM signal for a period
of time.
Cell Phone Usage
Cell phone usage, such as making
or receiving phone calls, charging,
or just having the phone on may
cause static interference in the
radio. Unplug the phone or turn it off
if this happens.
Fixed Mast Antenna
The fixed mast antenna will go
through most car washes as long as
it is securely attached. If theantenna becomes slightly bent,
straighten it out by hand. If it is
badly bent, replace it.
Occasionally check that the antenna
is tight at the base. If tightening is
required, protect the paint from
damage.
Multi-Band Antenna
The roof antenna is for OnStar®,
SiriusXM®Satellite Radio, and GPS
(Global Positioning System). Keep
clear of obstructions for clear
reception. If the vehicle has a
sunroof, and it is open, reception
can also be affected.
Pandora Internet Radio
If equipped, Pandora®is a free
Internet radio service that streams
personalized radio stations based
on artists, tracks, genres, and
comedians. Create stations using
the Pandora website or Smartphone
application, then use
-(thumbs up)
or
,(thumbs down) to personalize stations. To set up an account, or for
more information, go to
www.pandora.com. Pandora may
not be available in Canada or
Mexico.
A phone or tablet with Internet
connection and the Pandora
application installed is required.
Personal cell phone data plans are
used. Make sure the latest version
is installed on the device.
Launching Pandora
Connect the iPhone to the USB
port, or connect Android®or
BlackBerry®through Bluetooth. See
Bluetooth (Overview) on page 7-30
or Bluetooth (Infotainment Controls -
Base Connected Radio) on
page 7-41 orBluetooth (Voice
Recognition - Base Connected
Radio) on page 7-46 orBluetooth
(Infotainment Controls - Base
Radio) on page 7-32 orBluetooth
(Voice Recognition - Base Radio) on
page 7-36. For first time use, set up

Black plate (10,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/6/15
8-10 Climate Controls
3. Close the lower glove box doorand pull it from its frame to
remove the entire unit.4. Release the two tabs holding theservice door. Open the service
door and remove the old filter.
5. Install the new air filter.
6. Close the service door and secure the tabs.
7. Reverse the steps to reinstall the glove box.
See your dealer if additional
assistance is needed.
Service
All vehicles have a label underhood
that identifies the refrigerant used in
the vehicle. The refrigerant system
should only be serviced by trained
and certified technicians. The air
conditioning evaporator should
never be repaired or replaced by
one from a salvage vehicle.
It should only be replaced by a new
evaporator to ensure proper and
safe operation.
During service, all refrigerants
should be reclaimed with proper
equipment. Venting refrigerants
directly to the atmosphere is harmful
to the environment and may also
create unsafe conditions based on
inhalation, combustion, frostbite,
or other health-based concerns.

Black plate (7,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/9/15
Driving and Operating 9-7
{Caution
Operating the vehicle for
extended periods without the front
fascia lower air dam installed can
cause improper air flow to the
engine. Re-attach the front fascia
air dam after off-road driving.
Loading the Vehicle for
Off-Road Driving
{Warning
.Unsecured cargo on the load
floor can be tossed about
when driving over rough
terrain. You or your
passengers can be struck by
flying objects. Secure the
cargo properly.(Continued)
Warning (Continued)
.Keep cargo in the cargo area
as far forward and as low as
possible. The heaviest things
should be on the floor,
forward of the rear axle.
.Heavy loads on the roof raise
the vehicle's center of gravity,
making it more likely to roll
over. You can be seriously or
fatally injured if the vehicle
rolls over. Put heavy loads
inside the cargo area, not on
the roof.
For more information about loading
the vehicle, see Vehicle Load Limits
on page 9-15 andTires on
page 10-53.
Environmental Concerns
.Always use established trails,
roads, and areas that have been
set aside for public off-road
recreational driving and obey all
posted regulations.
.Do not damage shrubs, flowers,
trees, or grasses or disturb
wildlife.
.Do not park over things that
burn. See Parking over Things
That Burn on page 9-32.
Driving on Hills
Driving safely on hills requires good
judgment and an understanding of
what the vehicle can and cannot do.
{Warning
Many hills are simply too steep
for any vehicle. Driving up hills
can cause the vehicle to stall.
Driving down hills can cause loss
of control. Driving across hills can
cause a rollover. You could be
injured or killed. Do not drive on
steep hills.
Before driving on a hill, assess the
steepness, traction, and
obstructions. If the terrain ahead

Black plate (18,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/9/15
9-18 Driving and Operating
of the driver, passengers, and
cargo should never exceed the
vehicle's capacity weight.
Certification/Tire Label
A vehicle-specific Certification/
Tire label is label is attached to
the center pillar (B-pillar). The
label shows the size of the
vehicle's original tires and the
inflation pressures needed to
obtain the gross weight capacity
of the vehicle. This is called
Gross Vehicle WeightRating (GVWR). The GVWR
includes the weight of the
vehicle, all occupants, fuel, and
cargo.
The Certification/Tire label also
tells you the maximum weights
for the front and rear axles,
called Gross Axle Weight
Rating (GAWR). To find out the
actual loads on the front and
rear axles, you need to go to a
weigh station and weigh the
vehicle. Your dealer can help
you with this. Be sure to spread
out the load equally on both
sides of the centerline.
Never exceed the GVWR for the
vehicle, or the GAWR for either
the front or rear axle.
The Certification/Tire label also
contains important information
about the Front Axle Reserve
Capacity. See
Adding a Snow
Plow or Similar Equipment on
page 9-100.
{Warning
In the case of a sudden stop
or collision, things carried in
the bed of your truck could
shift forward and come into
the passenger area, injuring
you and others. If you put
things in the bed of your truck,
you should make sure they
are properly secured.
{Warning
Do not load the vehicle any
heavier than the Gross
Vehicle Weight Rating
(GVWR), or either the
maximum front or rear Gross
Axle Weight Rating (GAWR).
This can cause systems to
break and change the way the
vehicle handles. This could
(Continued)

Black plate (19,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/9/15
Driving and Operating 9-19
Warning (Continued)
cause loss of control and a
crash. Overloading can also
shorten the life of the vehicle.
{Caution
Overloading the vehicle may
cause damage. Repairs would not
be covered by the vehicle
warranty. Do not overload the
vehicle.
Using heavier suspension
components to get added
durability might not change the
weight ratings. Ask your dealer
to help load the vehicle the
right way. If you put things inside the
vehicle
—like suitcases, tools,
packages, or anything
else —they go as fast as the
vehicle goes. If you have to stop
or turn quickly, or if there is a
crash, they will keep going.
{Warning
Things you put inside the
vehicle can strike and injure
people in a sudden stop or
turn, or in a crash.
.Put things in the cargo
area of the vehicle. Try to
spread the weight evenly.
.Never stack heavier
things, like suitcases,
inside the vehicle so that
some of them are above
the tops of the seats.
(Continued)
Warning (Continued)
.Do not leave an
unsecured child restraint
in the vehicle.
.When you carry something
inside the vehicle, secure
it whenever you can.
.Do not leave a seat folded
down unless you need to.
There is also important loading
information for off-road driving in
this manual. See “Loading the
Vehicle for Off-Road Driving“
under Off-Road Driving on
page 9-6.

Black plate (20,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/9/15
9-20 Driving and Operating
Two-Tiered Loading
Depending on the model of the
pickup, an upper load platform
can be created by positioning
three or four 5 cm (2 in) by
15 cm (6 in) wooden planks
across the width of the pickup
box. The planks must be
inserted in the pickup box
depressions.
When using this upper load
platform, be sure the load is
securely tied down to prevent it
from shifting. The load's center
of gravity should be positioned
in a zone over the rear axle. The
zone is located in the area
between the front of each wheel
well and the rear of each wheel
well. The center of gravity height
must not extend above the top
of the pickup box flareboard.Any load that extends beyond
the vehicle's taillamp area must
be properly marked according to
local laws and regulations.
Remember not to exceed the
Gross Axle Weight
Rating (GAWR) of the front or
rear axle.
Add-On Equipment
When carrying removable items,
a limit on how many people
carried inside the vehicle may
be necessary. Be sure to weigh
the vehicle before buying and
installing the new equipment.
{Caution
Overloading the vehicle may
cause damage. Repairs would not
be covered by the vehicle
warranty. Do not overload the
vehicle.
Remember not to exceed the
Gross Axle Weight
Rating (GAWR) of the front or
rear axle.
* Equipment Maximum
Weight
Ladder Rack
and Cargo 340 kg (750 lb)
Cross Toolbox
and Cargo 181 kg (400 lb)
Side Boxes
and Cargo 113 kg per
side (250 lb
per side)
* The combined weight for all
rail-mounted equipment should
not exceed 454 kg (1,000 lb).