2017 CHEVROLET SILVERADO check engine light

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
8 In Brief
Auxiliary Button (If Equipped).SeeAdd-On ElectricalEquipment0345.
17.Instrument Panel Storage011 5(If Equipped).
18.Climate Control Systems (withHeater Only)0237orClimateControl Systems (with AirConditioning)0238(IfEquipped).
Dual Automatic Climate ControlSystem0240(If Equipped).
19. Parking Brake Release(Manual Transmission Only, IfEquipped). SeeParkingBrake0293
20.Steering Wheel Controls0121(If Equipped).
Driver Information Center (DIC)Controls (If Equipped). SeeDriver Information Center (DIC)(Base Level)0145orDriverInformation Center (DIC)(Uplevel)0147.
21. Hood Release. SeeHood0353.
22.Horn0122.
23.Steering Wheel Adjustment0120(Out of View).
24.Cruise Control0298.
Forward Collision Alert (FCA)System0304(If Equipped).
25. Data Link Connector (DLC)(Out of View). SeeMalfunctionIndicator Lamp (Check EngineLight)0138.
26.Parking Brake0293.
27. Electronic Transfer CaseControl (If Equipped). SeeFour-Wheel Drive0284.
Card Holder (If Equipped). SeeInstrument PanelStorage011 5.
Initial Drive
Information
This section provides a briefoverview about some of theimportant features that may or maynot be on your specific vehicle.
For more detailed information, referto each of the features which can befound later in this owner manual.
Remote Keyless Entry
(RKE) System
The Remote Keyless Entry (RKE)transmitter functions may work fromup to 60 m (197 ft) away from thevehicle.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
46 Keys, Doors, and Windows
The security light, in the instrumentcluster, comes on if there is aproblem with arming or disarmingthe theft-deterrent system.
When trying to start the vehicle, thesecurity light comes on briefly whenthe ignition is turned on.
If the engine does not start and thesecurity light stays on, there is aproblem with the system. Turn theignition off and try again.
If the engine still does not start, andthe key appears to be undamaged,try another ignition key. It may benecessary to check the fuse. SeeFuses0390.Iftheenginestilldoesnot start with the other key, thevehicle needs service. If the vehicledoes start, the first key may befaulty. See your dealer.
It is possible for the immobilizersystem to learn new or replacementkeys. Up to eight keys can beprogrammed for the vehicle. Toprogram additional keys, seeKeys033.Toprogramadditionaltransmitters, seeRemote KeylessEntry (RKE) System Operation036.
Do not leave the key or device thatdisarms or deactivates the vehicletheft system in the vehicle.
See your dealer to get a new keyblank cut exactly as the ignition keythat operates the system.
Exterior Mirrors
Convex Mirrors
{Warning
Aconvexmirrorcanmakethings,
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 convexshaped. A convex mirror's surface iscurved so more can be seen fromthe driver seat.
Manual Mirrors
If equipped, adjust manual mirrorsby moving the mirror up and downor left to right to see a little of theside of the vehicle and to have aclear view behind the vehicle.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Instruments and Controls 119
Instruments and
Controls
Controls
Steering Wheel Adjustment . . . 120Steering Wheel Controls . . . . . . 121Heated Steering Wheel . . . . . . . 121Horn . . . . . . . . . . . . . . . . . . . . . . . . . . 122Windshield Wiper/Washer . . . . 122Compass . . . . . . . . . . . . . . . . . . . . . 122Clock . . . . . . . . . . . . . . . . . . . . . . . . . 123Power Outlets . . . . . . . . . . . . . . . . 124Wireless Charging . . . . . . . . . . . . 126
Warning Lights, Gauges, and
Indicators
Warning Lights, Gauges, andIndicators . . . . . . . . . . . . . . . . . . . 127Instrument Cluster . . . . . . . . . . . . 128Speedometer . . . . . . . . . . . . . . . . . 131Odometer . . . . . . . . . . . . . . . . . . . . . 131Trip Odometer . . . . . . . . . . . . . . . . 131Ta c h o m e t e r . . . . . . . . . . . . . . . . . . . 1 3 1Fuel Gauge . . . . . . . . . . . . . . . . . . . 131Engine Oil PressureGauge . . . . . . . . . . . . . . . . . . . . . . 132Engine Coolant TemperatureGauge . . . . . . . . . . . . . . . . . . . . . . 133Voltmeter Gauge . . . . . . . . . . . . . 134
Safety Belt Reminders . . . . . . . . 134Airbag Readiness Light . . . . . . . 135Airbag On-Off Light . . . . . . . . . . . 136Passenger Airbag StatusIndicator . . . . . . . . . . . . . . . . . . . . 137Charging System Light . . . . . . . 138Malfunction Indicator Lamp(Check Engine Light) . . . . . . . . 138Brake System WarningLight . . . . . . . . . . . . . . . . . . . . . . . . 140Antilock Brake System (ABS)Warning Light . . . . . . . . . . . . . . . 141Four-Wheel-Drive Light . . . . . . . 141To w / H a u l M o d e L i g h t . . . . . . . . . 1 4 1Hill Descent Control Light . . . . 141Lane Departure Warning(LDW) Light (2500/3500Series) . . . . . . . . . . . . . . . . . . . . . . 142Lane Keep Assist (LKA) Light(1500 Series) . . . . . . . . . . . . . . . 142Vehicle Ahead Indicator . . . . . . 142Traction Off Light . . . . . . . . . . . . . 142StabiliTrak®OFF Light . . . . . . . . 143Traction Control System (TCS)/StabiliTrak®Light . . . . . . . . . . . 143Tire Pressure Light . . . . . . . . . . . 143Low Fuel Warning Light . . . . . . 144Security Light . . . . . . . . . . . . . . . . . 144High-Beam On Light . . . . . . . . . . 144Front Fog Lamp Light . . . . . . . . . 145Lamps On Reminder . . . . . . . . . 145
Cruise Control Light . . . . . . . . . . 145
Information Displays
Driver Information Center (DIC)(Base Level) . . . . . . . . . . . . . . . . 145Driver Information Center (DIC)(Uplevel) . . . . . . . . . . . . . . . . . . . . 147
Vehicle Messages
Vehicle Messages . . . . . . . . . . . . 150Battery Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . . 150Brake System Messages . . . . . 151Compass Messages . . . . . . . . . . 151Door Ajar Messages . . . . . . . . . . 151Engine Cooling SystemMessages . . . . . . . . . . . . . . . . . . . 152Engine Oil Messages . . . . . . . . . 152Engine Power Messages . . . . . 153Fuel System Messages . . . . . . . 153Key and Lock Messages . . . . . 153Lamp Messages . . . . . . . . . . . . . . 153Object Detection SystemMessages . . . . . . . . . . . . . . . . . . . 153Ride Control SystemMessages . . . . . . . . . . . . . . . . . . . 154Airbag System Messages . . . . 155Safety Belt Messages . . . . . . . . 155Security Messages . . . . . . . . . . . 156Steering SystemMessages . . . . . . . . . . . . . . . . . . . 156

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Instruments and Controls 127
To c h a r g e a m o b i l e d e v i c e :
1. Remove all objects from thecharging pad. The system maynot charge if there are anyobjects on the charging pad.
2. Place the mobile device face
up on the@symbol on the
charging pad.
3. The}will display on theV
on the infotainment screen.This indicates that the mobiledevice is properly positionedand charging. If a phone isplaced on the charging pad
and}does not display,
remove the phone from thepad, turn 180 degrees and waitthree seconds before placing/aligning the phone on the padagain.
Warning Lights,
Gauges, and
Indicators
Warning lights and gauges cansignal that something is wrongbefore it becomes serious enoughto cause an expensive repair orreplacement. Paying attention to thewarning lights and gauges couldprevent injury.
Some warning lights come on brieflywhen the engine is started toindicate they are working. Whenone of the warning lights comes onand stays on while driving, or whenone of the gauges shows there maybe a problem, check the section thatexplains what to do. Waiting to dorepairs can be costly and evendangerous.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
138 Instruments and Controls
Warning (Continued)
with the airbag system. To help
avoid injury to yourself or others,
have the vehicle serviced right
away. SeeAirbag Readiness
Light0135for more information,
including important safety
information.
Charging System Light
The charging system light comes onbriefly when the ignition is turnedon, but the engine is not running, asachecktoshowthelightisworking.It should go out when the engine isstarted.
If the light stays on, or comes onwhile driving, there may be aproblem with the electrical charging
system. Have it checked by yourdealer. Driving while this light is oncould drain the battery.
When this light comes on, or isflashing, the Driver InformationCenter (DIC) also displays amessage.
SeeBattery Voltage and ChargingMessages0150.
If a short distance must be drivenwith the light on, be sure to turn offall accessories, such as the radioand air conditioner.
Malfunction Indicator
Lamp (Check Engine
Light)
This light is part of the vehicle’semission control on-boarddiagnostic system. If this light is onwhile the engine is running, amalfunction has been detected andthe vehicle may require service. Thelight should come on to show that itis working when the ignition is inON/RUN and the engine is notrunning. SeeIgnitionPositions0268.
Malfunctions are often indicated bythe system before any problem isnoticeable. Being aware of the lightand seeking service promptly whenit 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.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Instruments and Controls 139
Caution
Modifications to the engine,
transmission, exhaust, intake,
or fuel system, or the use of
replacement tires that do not
meet the original tire
specifications, can cause this light
to come on. This could lead to
costly repairs not covered by the
vehicle warranty. This could also
affect the vehicle’sabilitytopass
an Emissions Inspection/
Maintenance test. See
Accessories and
Modifications0352.
If the light is flashing :Amalfunction has been detected thatcould damage the emission controlsystem and increase vehicleemissions. Diagnosis and servicemay be required.
To h e l p p r e v e n t d a m a g e , r e d u c evehicle speed and avoid hardaccelerations and uphill grades.
If towing a trailer, reduce theamount of cargo being hauled assoon as possible.
If the light continues to flash, find asafe place to park. Turn the vehicleoff and wait at least 10 secondsbefore restarting the engine. If thelight is still flashing, follow theprevious guidelines and see yourdealer for service as soon aspossible.
If the light is on steady :Amalfunction has been detected.Diagnosis and service may berequired.
Check the following:
.If fuel has been added to thevehicle using the capless funneladapter, make sure that it hasbeen removed. See“Filling theTa n k w i t h a P o r t a b l e G a s C a n”underFilling the Tank0313.The diagnostic system candetect if the adapter has beenleft installed in the vehicle,allowing fuel to evaporate intothe atmosphere. A few drivingtrips with the adapter removedmay turn off the light.
.Poor fuel quality can causeinefficient engine operation andpoor driveability, which may goaway once the engine is warmedup. If this occurs, change thefuel brand. It may require atleast one full tank of the properfuel to turn the light off. SeeFuel0311.
If the light remains on, see yourdealer.
Emissions Inspection and
Maintenance Programs
If the vehicle requires an EmissionsInspection/Maintenance test, thetest equipment will likely connect tothe vehicle's Data LinkConnector (DLC).
The DLC is under the instrumentpanel to the left of the steeringwheel. Connecting devices that are

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
Instruments and Controls 143
dealer. If the system is workingnormally, the indicator light thenturns off.
The traction off light comes on whenthe Traction Control System (TCS)has been turned off by pressing andreleasing the TCS/StabiliTrakbutton.
This light and the StabiliTrak OFFlight come on when StabiliTrak isturned off.
If the TCS is off, wheel spin is notlimited. Adjust driving accordingly.
SeeTr a c t i o n C o n t r o l / E l e c t r o n i cStability Control0295.
StabiliTrak®OFF Light
This light comes on briefly whilestarting the engine. If it does not,have the vehicle serviced by yourdealer.
This light comes on when theStabiliTrak system is turned off.If StabiliTrak is off, the TractionControl System (TCS) is also off.
If StabiliTrak and TCS are off, thesystem does not assist in controllingthe vehicle. Turn on the TCS andthe StabiliTrak systems, and thewarning light turns off.
SeeTr a c t i o n C o n t r o l / E l e c t r o n i cStability Control0295.
Traction Control System
(TCS)/StabiliTrak®Light
This light comes on briefly when theengine is started.
If the light does not come on, havethe vehicle serviced by your dealer.If the system is working normally,the indicator light turns off.
If the light is on and not flashing, theTCS and potentially the StabiliTraksystem have been disabled.ADriverInformationCenter(DIC)message may display. Check theDIC messages to determine whichfeature(s) is no longer functioningand whether the vehicle requiresservice. SeeRide Control SystemMessages0154.
If the light is on and flashing, theTCS and/or the StabiliTrak systemis actively working.
SeeTr a c t i o n C o n t r o l / E l e c t r o n i cStability Control0295.
Tire Pressure Light
For vehicles with the Tire PressureMonitor System (TPMS), this lightcomes on briefly when the engine isstarted. It provides informationabout tire pressures and the TPMS.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
144 Instruments and Controls
When the Light Is On Steady
This indicates that one or more ofthe tires are significantlyunderinflated.
ADriverInformationCenter(DIC)tire pressure message may alsodisplay. SeeTire Messages0157.Stop as soon as possible, andinflate the tires to the pressure valueshown on the Tire and LoadingInformation label. SeeTirePressure0405.
When the Light Flashes First andThen Is On Steady
If the light flashes for about a minuteand then stays on, there may be aproblem with the TPMS. If theproblem is not corrected, the lightwill come on at every ignition cycle.SeeTire Pressure MonitorOperation0408.
Low Fuel Warning Light
This light is near the fuel gauge andcomes on briefly when the ignition isturned on as a check to show it isworking.
It also comes on when the fuel tankis low on fuel. The light turns offwhen fuel is added. If it does not,have the vehicle serviced.
Security Light
The security light should come onbriefly as the engine is started. If itdoes not come on, have the vehicle
serviced by your dealer. If thesystem is working normally, theindicator light turns off.
If the light stays on and the enginedoes not start, there could be aproblem with the theft-deterrentsystem. SeeImmobilizerOperation045.
High-Beam On Light
This light comes on when thehigh-beam headlamps are in use.
SeeHeadlamp High/Low-BeamChanger0173.