2019 GMC SIERRA check engine

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
8 In Brief
17. ENGINE START/STOP. SeeIgnition Positions (Key Access)
0220 or
Ignition Positions (Keyless
Access) 0222.
18. Steering Wheel Controls 0133
(If Equipped).
Driver Information Center (DIC)
Controls. See Driver
Information Center (DIC)
(Midlevel and Uplevel) 0163 or
Driver Information Center (DIC)
(Base Level) 0161.
19. Horn 0133.
20. Hood Release. See Hood
0 319.
21. Steering Wheel Adjustment
0132 (Out of View).
22. Cruise Control 0255.
Forward Collision Alert (FCA)
System 0265 (If Equipped).
23. Data Link Connector (DLC) (Out of View). See Malfunction
Indicator Lamp (Check Engine
Light) 0151.
24. Electric Parking Brake 0245. 25.
Fog Lamps 0184 (If
Equipped).
Instrument Panel Illumination
Control 0186.
Exterior Cargo Lamps 0185.
Exterior Lamp Controls 0179.
Task Lighting 0185 (If
Equipped).Initial Drive
Information
This section provides a brief
overview about some of the
important features that may or may
not be on your specific vehicle.
For more detailed information, refer
to each of the features which can be
found later in this owner ’s manual.
Stop/Start System
If equipped, the Stop/Start system
will shut off the engine to help
conserve fuel. It has components
designed for the increased number
of starts.
When the brakes are applied and
the vehicle is at a complete stop,
the engine may turn off. When
stopped, the tachometer displays
AUTO STOP. SeeTachometer
0 145. When the brake pedal is
released or the accelerator pedal is
pressed, the engine will restart. See
Stop/Start System 0225.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
44 Keys, Doors, and Windows
2. Press and slide the batterydown toward the pocket of the
transmitter in the direction of
the key ring. Do not use a
metal object
3. Remove the battery.
4. Insert the new battery, positive side facing up. Replace with a
CR2032 or equivalent battery.
5. Push together the transmitter back cover top side first, and
then the bottom toward the
key ring.
Remote Vehicle Start
If equipped with the remote start
feature, the climate control system
will come on when the vehicle is
started remotely, depending on the
outside temperature.
The rear defog and heated and
ventilated seats, if equipped, may
also come on. See Heated and
Ventilated Front Seats 076 and
Vehicle Personalization 0170.
If equipped, the automatic heated
steering wheel may also come on.
See Heated Steering Wheel 0133.
Laws in some communities may
restrict the use of remote starters.
Check local regulations for any
requirements on remote starting of
vehicles.
Do not use remote start if the
vehicle is low on fuel. The vehicle
may run out of fuel.
The vehicle cannot be remote
started if:
. The RKE transmitter is inside
the vehicle. .
The hood is not closed.
. There is an emission control
system malfunction and the lamp
is on.
. The ignition is in any mode other
than off.
. The hazard warning flashers
are on.
. Two remote starts or a remote
start with an extension have
been used.
. The vehicle is not in P (Park).
The engine will turn off during a
remote vehicle start if:
. The coolant temperature gets
too high.
. The oil pressure gets low.
The RKE transmitter range may be
reduced while the vehicle is running.
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE)
System 034.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
Keys, Doors, and Windows 57
the transmitter in the transmitter
pocket in the center console. See
Keys031.
If the ignition modes will not change
with the other transmitter or in the
transmitter pocket, your vehicle
needs service. If the ignition does
change modes, the first transmitter
may be faulty. See your dealer who
can service the theft-deterrent
system and have a new RKE
transmitter programmed to the
vehicle.
It is possible for the immobilizer
system to learn a new or
replacement transmitter. Up to eight
transmitters can be programmed for
the vehicle. To program additional
transmitters, see your dealer.
Do not leave the transmitter or
device that disarms or deactivates
the vehicle theft system in the
vehicle. When equipped with a key, if the
engine still does not start, and the
key appears to be undamaged, try
another ignition key. It may be
necessary to check the fuse. See
Fuses and Circuit Breakers
0355.
If the engine still does not start with
the other key, the vehicle needs
service. If the vehicle does start, the
first key may be faulty. See your
dealer. It is possible for the
immobilizer system to learn new or
replacement keys. Up to eight keys
can be programmed for the vehicle.
To program additional keys, see
Keys 031. Do not leave the key or
device that disarms or deactivates
the vehicle theft system in the
vehicle.
See your dealer to get a new key
blank cut exactly as the ignition key
that operates the system.Exterior Mirrors
Convex Mirrors
{Warning
A convex mirror can make things,
like other vehicles, look farther
away than they really are. If you
cut too sharply into the right lane,
you could hit a vehicle on the
right. Check the inside mirror or
glance over your shoulder before
changing lanes.
The passenger side mirror is convex
shaped. A convex mirror's surface is
curved so more can be seen from
the driver seat.
Manual Mirrors
If equipped, adjust manual mirrors
by moving the mirror up and down
or left to right to see a little of the
side of the vehicle and to have a
clear view behind the vehicle.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
Seats and Restraints 93
Warning (Continued)
moderate crash, there may be
concealed damage that could
make it difficult to safely operate
the vehicle.
Use caution if you should attempt
to restart the engine after a crash
has occurred.
In many crashes severe enough to
inflate the airbag, windshields are
broken by vehicle deformation.
Additional windshield breakage may
also occur from the front outboard
passenger airbag.
. Airbags are designed to inflate
only once. After an airbag
inflates, you will need some new
parts for the airbag system.
If you do not get them, the
airbag system will not be there
to help protect you in another
crash. A new system will include
airbag modules and possibly
other parts. The service manual
for the vehicle covers the need
to replace other parts. .
The vehicle has a crash sensing
and diagnostic module which
records information after a
crash. See Vehicle Data
Recording and Privacy 0450
and
Event Data Recorders 0450.
. Let only qualified technicians
work on the airbag systems.
Improper service can mean that
an airbag system will not work
properly. See your dealer for
service.
Passenger Sensing
System
The vehicle has a passenger
sensing system for the front
outboard passenger position. The
passenger airbag status indicator
will light on the overhead console
when the vehicle is started.
United States
Canada
The words ON and OFF, or the
symbols for on and off, will be
visible during the system check.
When the system check is
complete, either the word ON or
OFF, or the symbol for on or off, will
be visible. See Passenger Airbag
Status Indicator 0150.
The passenger sensing system
turns off the front outboard
passenger frontal airbag under
certain conditions. No other airbag
is affected by the passenger
sensing system.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/14/19
Instruments and Controls 131
Instruments and
Controls
Controls
Steering Wheel Adjustment . . . 132
Steering Wheel Controls . . . . . . 133
Heated Steering Wheel . . . . . . . 133
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Windshield Wiper/Washer . . . . 133
Compass . . . . . . . . . . . . . . . . . . . . . 134
Clock . . . . . . . . . . . . . . . . . . . . . . . . . 134
Power Outlets . . . . . . . . . . . . . . . . 134
Wireless Charging . . . . . . . . . . . . 137
Warning Lights, Gauges, and
Indicators
Warning Lights, Gauges, andIndicators . . . . . . . . . . . . . . . . . . . 139
Instrument Cluster . . . . . . . . . . . . 140
Speedometer . . . . . . . . . . . . . . . . . 144
Odometer . . . . . . . . . . . . . . . . . . . . . 145
Trip Odometer . . . . . . . . . . . . . . . . 145
Tachometer . . . . . . . . . . . . . . . . . . . 145
Fuel Gauge . . . . . . . . . . . . . . . . . . . 145
Engine Oil Pressure Gauge . . . . . . . . . . . . . . . . . . . . . . 146
Engine Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 147 Voltmeter Gauge . . . . . . . . . . . . . 148
Seat Belt Reminders . . . . . . . . . 149
Airbag Readiness Light . . . . . . . 149
Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . 150
Charging System Light . . . . . . . 151
Malfunction Indicator Lamp (Check Engine Light) . . . . . . . . 151
Brake System Warning Light . . . . . . . . . . . . . . . . . . . . . . . . 153
Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . 154
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . 154
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . . 155
Four-Wheel-Drive Light . . . . . . . 155
Tow/Haul Mode Light . . . . . . . . . 155
Hill Descent Control Light . . . . 156
Lane Keep Assist (LKA) Light . . . . . . . . . . . . . . . . . . . . . . . . 156
Vehicle Ahead Indicator . . . . . . 156
Pedestrian Ahead Indicator . . . 156
Traction Off Light . . . . . . . . . . . . . 157
Traction Control System (TCS)/ Electronic Stability Control
Light . . . . . . . . . . . . . . . . . . . . . . . . 157
Electronic Stability Control (ESC) Off Light . . . . . . . . . . . . . . 157 Engine Coolant Temperature
Warning Light . . . . . . . . . . . . . . . 158
Driver Mode Control Light . . . . 158
Tire Pressure Light . . . . . . . . . . . 159
Engine Oil Pressure Light (Uplevel Cluster) . . . . . . . . . . . . 159
Low Fuel Warning Light . . . . . . 160
Security Light . . . . . . . . . . . . . . . . . 160
High-Beam On Light . . . . . . . . . . 160
Front Fog Lamp Light . . . . . . . . . 160
Lamps On Reminder . . . . . . . . . 161
Cruise Control Light . . . . . . . . . . 161
Door Ajar Light . . . . . . . . . . . . . . . 161
Information Displays
Driver Information Center (DIC) (Base Level) . . . . . . . . . . . . . . . . 161
Driver Information Center (DIC) (Midlevel and Uplevel) . . . . . . 163
Head-Up Display (HUD) . . . . . . 166
Vehicle Messages
Vehicle Messages . . . . . . . . . . . . 169
Engine Power Messages . . . . . 169
Vehicle Speed Messages . . . . . 170
Vehicle Personalization
Vehicle Personalization . . . . . . . 170
Universal Remote System
Universal Remote System . . . . 175

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/14/19
Instruments and Controls 139
2. Redistributions in binary formmust reproduce the above
copyright notice, this list of
conditions and the following
disclaimer in the
documentation and/or other
materials provided with the
distribution.
3. Neither the name of the copyright holder nor the names
of its contributors may be used
to endorse or promote products
derived from this software
without specific prior written
permission.
THIS SOFTWARE IS PROVIDED
BY THE COPYRIGHT HOLDERS
AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT
NOT LIMITED TO, THE IMPLIED
WARRANTIES OF
MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT
SHALL THE COPYRIGHT HOLDER
OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF
SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA,
OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY
OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF
THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.Warning Lights,
Gauges, and
Indicators
Warning lights and gauges can
signal that something is wrong
before it becomes serious enough
to cause an expensive repair or
replacement. Paying attention to the
warning lights and gauges could
prevent injury.
Some warning lights come on briefly
when the engine is started to
indicate they are working. When
one of the warning lights comes on
and stays on while driving, or when
one of the gauges shows there may
be a problem, check the section that
explains what to do. Waiting to do
repairs can be costly and even
dangerous.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/14/19
Instruments and Controls 147
Uplevel English Shown, BaseLevel and Midlevel Similar
The engine oil pressure gauge
shows the engine oil pressure
in kPa (kilopascals) or psi (pounds
per square inch) when the engine is
running.
Oil pressure can vary with engine
speed, outside temperature, coolant
temperature, and oil viscosity.
On some models, the oil pump will
vary engine oil pressure according
to engine needs. Oil pressure may
change quickly as the engine speed
or load varies. This is normal. If the
oil pressure warning light or Driver Information Center (DIC) message
indicates oil pressure outside the
normal operating range, check the
vehicle's oil as soon as possible.
See
Engine Oil 0326.
Caution
Lack of proper engine oil
maintenance can damage the
engine. Driving with the engine oil
low can also damage the engine.
The repairs would not be covered
by the vehicle warranty. Check
the oil level as soon as possible.
Add oil if required, but if the oil
level is within the operating range
and the oil pressure is still low,
have the vehicle serviced. Always
follow the maintenance schedule
for changing engine oil.
If the vehicle has a diesel engine,
see the Duramax diesel
supplement.
Engine Coolant
Temperature Gauge
Uplevel Metric Shown, Base Level and Midlevel Similar

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/14/19
Instruments and Controls 151
Warning (Continued)
away. SeeAirbag Readiness
Light 0149 for more information,
including important safety
information.
Charging System Light
The charging system light comes on
briefly when the ignition is turned
on, but the engine is not running, as
a check to show the light is working.
It should go out when the engine is
started.
If the light stays on, or comes on
while driving, there may be a
problem with the electrical charging
system. Have it checked by your
dealer. Driving while this light is on
could drain the battery. When this light comes on, or is
flashing, the Driver Information
Center (DIC) also displays a
message.
If a short distance must be driven
with the light on, be sure to turn off
all accessories, such as the radio
and air conditioner.
Malfunction Indicator
Lamp (Check Engine
Light)
This light is part of the vehicle’s
emission control on-board
diagnostic system. If this light is on
while the engine is running, a
malfunction has been detected and
the vehicle may require service. The
light should come on to show that it
is working when the ignition is on
and the engine is not running. See
Ignition Positions (Key Access)
0
220 or
Ignition Positions (Keyless Access)
0 222.
Malfunctions are often indicated by
the system before any problem is
noticeable. Being aware of the light
and seeking service promptly when
it comes on may prevent damage.
Caution
If the vehicle is driven continually
with this light on, the emission
control system may not work as
well, the fuel economy may be
lower, and the vehicle may not
run smoothly. This could lead to
costly repairs that might not be
covered by the vehicle warranty.