2012 CHEVROLET SILVERADO ECU

Black plate (1,1)Chevrolet Silverado Owner Manual - 2012
Instruments and Controls 5-1
Instruments and
Controls
Controls
Steering Wheel Adjustment . . . 5-2
Steering Wheel Controls . . . . . . 5-3
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Windshield Wiper/Washer . . . . . 5-5
Compass . . . . . . . . . . . . . . . . . . . . . 5-6
Clock . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Power Outlets . . . . . . . . . . . . . . . 5-10
Cigarette Lighter . . . . . . . . . . . . . 5-11
Ashtrays . . . . . . . . . . . . . . . . . . . . . 5-12
Warning Lights, Gauges, and
Indicators
Warning Lights, Gauges, andIndicators . . . . . . . . . . . . . . . . . . 5-12
Instrument Cluster . . . . . . . . . . . 5-13
Speedometer . . . . . . . . . . . . . . . . 5-14
Odometer . . . . . . . . . . . . . . . . . . . . 5-14
Trip Odometer . . . . . . . . . . . . . . . 5-14
Tachometer . . . . . . . . . . . . . . . . . . 5-14
Fuel Gauge . . . . . . . . . . . . . . . . . . 5-14
Engine Oil Pressure Gauge . . . . . . . . . . . . . . . . . . . . . . 5-16 Engine Coolant
Temperature Gauge . . . . . . . . 5-17
Voltmeter Gauge . . . . . . . . . . . . . 5-18
Safety Belt Reminders . . . . . . . 5-19
Airbag Readiness Light . . . . . . 5-20
Airbag On-Off Light . . . . . . . . . . 5-20
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . 5-22
Charging System Light . . . . . . 5-23
Malfunction Indicator Lamp . . . . . . . . . . . . . 5-24
Brake System Warning Light . . . . . . . . . . . . . . . . . . . . . . . 5-26
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . 5-27
Four-Wheel-Drive Light . . . . . . 5-28
Tow/Haul Mode Light . . . . . . . . 5-28
StabiliTrak
®OFF Light . . . . . . . 5-28
Traction Control System (TCS)/StabiliTrak
®Light . . . . 5-29
Tire Pressure Light . . . . . . . . . . 5-29
Engine Oil Pressure Light . . . . 5-30
Low Fuel Warning Light . . . . . . 5-30
Security Light . . . . . . . . . . . . . . . . 5-30
High-Beam On Light . . . . . . . . . 5-31
Front Fog Lamp Light . . . . . . . . 5-31
Cruise Control Light . . . . . . . . . 5-31
Information Displays
Driver Information Center (DIC) . . . . . . . . . . . . . . . 5-32
Vehicle Messages
Vehicle Messages . . . . . . . . . . . 5-42
Battery Voltage andCharging Messages . . . . . . . . 5-42
Brake System Messages . . . . 5-42
Door Ajar Messages . . . . . . . . . 5-43
Engine Cooling System Messages . . . . . . . . . . . . . . . . . . 5-44
Engine Oil Messages . . . . . . . . 5-45
Engine Power Messages . . . . 5-46
Fuel System Messages . . . . . . 5-46
Key and Lock Messages . . . . . 5-46
Lamp Messages . . . . . . . . . . . . . 5-46
Object Detection System Messages . . . . . . . . . . . . . . . . . . 5-47
Ride Control System Messages . . . . . . . . . . . . . . . . . . 5-47
Airbag System Messages . . . . 5-48
Anti-theft Alarm System Messages . . . . . . . . . . . . . . . . . . 5-48

Black plate (30,1)Chevrolet Silverado Owner Manual - 2012
5-30 Instruments and Controls
Engine Oil Pressure Light
{WARNING
Do not keep driving if the oil
pressure is low. The engine can
become so hot that it catches fire.
Someone could be burned. Check
the oil as soon as possible and
have the vehicle serviced.
Notice: Lack of proper engine oil
maintenance can damage the
engine. The repairs would not be
covered by the vehicle warranty.
Always follow the maintenance
schedule for changing engine oil. This light comes on briefly while
starting the engine. If it does not,
have the vehicle serviced by your
dealer. If the system is working
normally the indicator light then
goes off.
If the light comes on and stays on, it
means that oil is not flowing through
the engine properly. The vehicle
could be low on oil and it might
have some other system problem.
If the vehicle is a hybrid, see the
hybrid supplement for more
information.
Low Fuel Warning Light
This light, under the fuel gauge,
comes on briefly while the engine is
being started.This light and a chime, if the vehicle
is equipped with a radio, comes on
when the fuel tank is low on fuel.
The Driver Information Center also
displays a FUEL LEVEL LOW
message. See
Fuel System
Messages on page 5‑46 for more
information. When fuel is added this
light and message should go off. If it
does not, have the vehicle serviced
by your dealer.
Security Light
The security light should come on
briefly as the engine is started. If the
system is working normally, the
indicator light turns off. If it does not
come on, have the vehicle serviced
by your dealer.

Black plate (31,1)Chevrolet Silverado Owner Manual - 2012
Instruments and Controls 5-31
If the light stays on and the engine
does not start, there could be a
problem with the theft-deterrent
system.
This light is also used to indicate the
status of the anti-theft alarm system
when the ignition is turned off.
The light will flash rapidly if the
alarm system is arming and one or
more of the monitored entry points
is not closed. The light will stay on if
the alarm is arming and all entry
points are closed.
For information regarding this light
and the vehicle's security system,
seeAnti-theft Alarm System on
page 2‑11.High-Beam On Light
This light comes on when the
high-beam headlamps are in use.
See Headlamp High/Low-Beam
Changer on page 6‑3 for more
information.
Front Fog Lamp Light
For vehicles with fog lamps, this
light comes on when the fog lamps
are on. The light goes out when the
fog lamps are turned off.
See
Fog Lamps on page 6‑6 for
more information.
Cruise Control Light
For vehicles equipped with cruise
control, this light comes on
whenever the cruise control is set.
The light goes out when the cruise
control is turned off. See Cruise
Control on page 9‑66 for more
information.

Black plate (60,1)Chevrolet Silverado Owner Manual - 2012
5-60 Instruments and Controls
Universal Remote
System
SeeRadio Frequency Statement on
page 13‑21 for information
regarding Part 15 of the Federal
Communications Commission (FCC)
rules and Industry Canada
Standards RSS-GEN/210/220/310.
Universal Remote System
Programming
Vehicles with the Universal Remote
System will have these buttons
located in the headliner.
This system provides a way to
replace up to three remote control
transmitters used to activate devices such as garage door
openers, security systems, and
home automation devices.
Do not use this 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 attempting to program the
transmitter. Because of the steps
involved, it may be helpful to
have another person assist with
programming the transmitter.
Be sure to keep the original remote
control transmitter for use in other
vehicles, as well as for future
programming. Only the original
remote control transmitter is needed
for Fixed Code programming.
The programmed buttons should be
erased when the vehicle is sold
or the lease ends. See
“Erasing
Universal Home Remote Buttons”
in this section. Park the vehicle outside of the
garage when programming a garage
door. Be sure that people and
objects are clear of the garage door
or gate that is being programmed.
Programming Universal Home
Remote
—Rolling Code
For questions or help programming
the Universal Home Remote
System, call 1-866-572-2728 or
go to www.learcar2u.com.
Most garage door openers sold
after 1996 are Rolling Code units.
Programming a garage door opener
involves time-sensitive actions, so
read the entire procedure before
starting. Otherwise, the device will
time out and the procedure will have
to be repeated.

Black plate (61,1)Chevrolet Silverado Owner Manual - 2012
Instruments and Controls 5-61
To program up to three devices:
1. From inside the vehicle,press the two outside buttons
at the same time for one to
two seconds, and immediately
release them.
2. In the garage, locate the
garage door opener receiver
(motor-head unit). Find the
“Learn” or“Smart” button. It can usually be found where
the hanging antenna wire is
attached to the motor-head unit
and may be a colored button.
Press this button. After pressing
this button, complete the
following steps in less than
30 seconds.
3. Immediately return to the vehicle. Press and hold the
Universal Home Remote button
that will be used to control the
garage door until the garage
door moves. The indicator light,
above the selected button,
should slowly blink. This button
may need to be held for up to
20 seconds.
4. Immediately, within one second, release the button when the
garage door moves. The
indicator light will blink rapidly
until programming is complete. 5. Press and release the same
button again. The garage door
should move, confirming that
programming is successful
and complete.
To program another Rolling Code
device such as an additional garage
door opener, a security device,
or home automation device, repeat
Steps 1 through 5, choosing a
different function button in Step 3
than what was used for the garage
door opener.
If these instructions do not work,
the garage door opener is probably
a Fixed Code unit. Follow the
programming instructions that
follow for a Fixed Code garage
door opener.

Black plate (64,1)Chevrolet Silverado Owner Manual - 2012
5-64 Instruments and Controls
3. From inside your vehicle,first firmly press all three buttons
at the same time for about
three seconds. Release the
buttons to put the Universal
Home Remote into
programming mode.
A. Left Button
(Up, +, or On)
B. Middle Button (Middle, 0, or Neutral)
C. Right Button (Down, −, or Off) 4. The indicator lights will blink
slowly. Enter each switch setting
from Step 2 into your vehicle's
Universal Home Remote.
You will have two and one-half
minutes to complete Step 4.
Now press one button on the
Universal Home Remote for
each switch setting as follows:
.If you wrote “Left,”press
the left button (A) in the
vehicle.
.If you wrote “Right,”press
the right button (C) in the
vehicle.
.If you wrote “Middle,”press
the middle button (B) in the
vehicle.
5. After entering all of the switch positions, once again firmly
press and release all three
buttons at the same time.
The indicator lights will turn on. 6. Press and hold the button that
will be used to control the
garage door until the garage
door moves. The indicator light
above the selected button
should slowly blink. This button
may need to be held for up to
55 seconds.
7. Immediately release the button when the garage door moves.
The indicator light will blink
rapidly until programming is
complete.
8. Press and release the same button again. The garage door
should move, confirming that
programming is successful and
complete.
To program another Fixed Code
device such as an additional garage
door opener, a security device,
or home automation device, repeat
Steps 1-8, choosing a different
button in Step 6 than what was used
for the garage door opener.

Black plate (14,1)Chevrolet Silverado Owner Manual - 2012
7-14 Infotainment System
CAT Not Found:There are no
channels available for the selected
category. The system is working
properly.
XM Theftlocked: The XM receiver
in the vehicle could have previously
been in another vehicle. For security
purposes, XM receivers cannot be
swapped between vehicles. If this
message is received after having
the vehicle serviced, check with
your dealer.
XM Radio ID: If tuned to channel 0,
this message alternates with the
XM Radio eight‐digit radio ID label.
This label is needed to activate the
service.
Unknown: If this message is
received when tuned to channel 0,
there could be a receiver fault.
Consult with your dealer.
Check Antenna: If this message
does not clear within a short period
of time, the receiver or antenna
could have a fault. Consult with your
dealer. Check XM Receivr:
If this
message does not clear within a
short period of time, the receiver
could have a fault. Consult with your
dealer.
XM Not Available: If this message
does not clear within a short period
of time, the receiver could have a
fault. Consult with your dealer.
Radio Reception
Frequency interference and static
can occur during normal radio
reception if items such as cell phone
chargers, vehicle convenience
accessories, and external electronic
devices are plugged into the
accessory power outlet. If there is
interference or static, unplug the
item from the accessory power
outlet.
AM
The range for most AM stations is
greater than for FM, especially at
night. The longer range can cause
station frequencies to interfere
with each other. For better radio
reception, most AM radio stations
boost the power levels during the
day, and then reduce these levels
during the night. Static can also
occur when things like storms and
power lines interfere with radio
reception. When this happens, try
reducing the treble on the radio.
FM Stereo
FM signals only reach about
16 to 65 km (10 to 40 mi). Although
the radio has a built-in electronic
circuit that automatically works to
reduce interference, some static
can occur, especially around tall
buildings or hills, causing the sound
to fade in and out.

Black plate (15,1)Chevrolet Silverado Owner Manual - 2012
Infotainment System 7-15
XM™Satellite Radio Service
XM Satellite Radio Service gives
digital radio reception from coast to
coast in the 48 contiguous United
States, and in Canada. Just as
with FM, 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 XM signal for a period of time.
Cellular Phone Usage
Cellular phone usage may cause
interference with the vehicle's radio.
This interference may occur when
making or receiving phone calls,
charging the phone's battery,
or simply having the phone on. This interference causes an
increased level of static while
listening to the radio. If static is
received while listening to the radio,
unplug the cellular phone and
turn it off.
Fixed Mast Antenna
The fixed mast antenna can
withstand most car washes without
being damaged as long as it is
securely attached to the base.
If the mast becomes slightly bent,
straighten it out by hand. If the mast
is badly bent, replace it.
Occasionally check to make sure
the antenna is tightened to its base.
If tightening is required, tighten
by hand until fully seated plus
one quarter turn.
Satellite Radio Antenna
The XM Satellite Radio antenna is
located on the roof of the vehicle.
Keep the antenna clear of
obstructions for clear radio
reception.
If the vehicle has a sunroof, the
performance of the XM system
(if equipped) may be affected if the
sunroof is open.