2015 GMC ACADIA check engine

Black plate (7,1)GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7576030) - 2015 - CRC - 8/18/14
Service and Maintenance 11-7
Maintenance Schedule
Additional Required
Services - Severe12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Change automatic transmission fluid.@@@
Change transfer case fluid, if equipped with
AWD. (4)@@@
Replace spark plugs. Inspect spark plug wires.@
Drain and fill engine cooling system. (5)@
Visually inspect accessory drive belts. (6)@
Replace brake fluid. (7)@@@
Footnotes—Maintenance
Schedule Additional Required
Services - Severe
(1) Or every two years, whichever
comes first. More frequent
replacement may be needed if the vehicle is driven in areas with heavy
traffic, areas with poor air quality,
or areas with high dust levels.
Replacement may also be needed if
there is a reduction in air flow,
excessive window fogging, or odors.
(2)
Check all fuel and vapor lines
and hoses for proper hook-up,
routing, and condition.
(3) Or every four years, whichever
comes first.

Black plate (9,1)GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7576030) - 2015 - CRC - 8/18/14
Service and Maintenance 11-9
The following list is intended to
explain the services and conditions
to look for that may indicate
services are required.
Battery
The battery supplies power to start
the engine and operate any
additional electrical accessories.
.To avoid break-down or failure to
start the vehicle, maintain a
battery with full cranking power.
.Trained dealer technicians have
the diagnostic equipment to test
the battery and ensure that the
connections and cables are
corrosion-free.Belts
.Belts may need replacing if they
squeak or show signs of
cracking or splitting.
.Trained dealer technicians have
access to tools and equipment
to inspect the belts and
recommend adjustment or
replacement when necessary.
Brakes
Brakes stop the vehicle and are
crucial to safe driving.
.Signs of brake wear may include
chirping, grinding, or squealing
noises, or difficulty stopping.
.Trained dealer technicians have
access to tools and equipment
to inspect the brakes and
recommend quality parts
engineered for the vehicle. Fluids
Proper fluid levels and approved
fluids protect the vehicle’s systems
and components. See
Recommended Fluids and
Lubricants on page 11-12
for GM
approved fluids.
.Engine oil and windshield
washer fluid levels should be
checked at every fuel fill.
.Instrument cluster lights may
come on to indicate that fluids
may be low and need to be
filled.

Black plate (2,1)GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7576030) - 2015 - CRC - 8/18/14
12-2 Technical Data
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and
Lubricants on page 11-12 for more information.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under the hood. See your dealer for more information.
Cooling System 11.3 L 11.9 qt
Engine Oil with Filter 5.7 L 6.0 qt
Fuel Tank 83.3 L 22.0 gal
Transfer Case Fluid 1.0 L 1.0 qt
Wheel Nut Torque 190 Y140 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.
Engine Specifications
Engine VIN Code Transmission Spark Plug Gap
3.6L V6 Engine DAutomatic 0.95–1.10 mm (0.037–0.043 in)

Black plate (6,1)GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7576030) - 2015 - CRC - 8/18/14
14-6 OnStar
Vehicle Diagnostics
OnStar Vehicle Diagnostics can
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
other major vehicle systems. It also
checks the tire pressures, if the
vehicle is equipped with the Tire
Pressure Monitoring System. If an
On-Demand Diagnostics check is
needed, press
Q, and an Advisor
can run a check.
OnStar Additional
Information
Transferring Service
PressQto request account transfer
eligibility information. The Advisor
can assist in canceling or removing
account information.
Selling/Transferring the
Vehicle
Call 1-888-4-ONSTAR immediately
to terminate your OnStar services if
the vehicle is disposed of, sold,
transferred, or if the lease ends.
Reactivation for Subsequent
Owners
PressQand follow the prompts to
speak to an Advisor as soon as
possible. The Advisor will update
vehicle records and explain the
OnStar service options available.
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Vehicle
Diagnostics, Remote Door Unlock,
Roadside Assistance, Turn-by-Turn
Navigation, and Hands-Free Calling
are available on most vehicles. Not
all OnStar services are available
everywhere or on all vehicles. For
more information, a full description
of OnStar services, system
limitations, and OnStar terms and
conditions:
.Call 1-888-4-ONSTAR
(1-888-466-7827).
.See www.onstar.com (U.S.).
.See www.onstar.ca (Canada).
.Call TTY 1-877-248-2080.
.PressQto speak with an
Advisor.

Black plate (1,1)GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7576030) - 2015 - CRC - 8/18/14
INDEX i-1
A
Accessories andModifications . . . . . . . . . . . . . . . . . 10-2
Accessory Power . . . . . . . . . . . . . . 9-19
Add-On Electrical Equipment . . . . . . . . . . . . . . . . . . . 9-53
Additional Information
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-6
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . 11-8
Adjustments
Lumbar, Front Seats . . . . . . . . . . . 3-4
Air Cleaner/Filter, Engine . . . . . 10-10
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . 8-12
Air Vents . . . . . . . . . . . . . . . . . . . . . . 8-11
Airbag System
Check . . . . . . . . . . . . . . . . . . . . . . . . 3-35
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . 3-28
Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . . 3-29
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-27 Airbag System (cont'd)
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . 3-28
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-26
Where Are the Airbags? . . . . . . 3-24
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . 3-34
Passenger Status Indicator . . . 5-14
Readiness Light . . . . . . . . . . . . . . 5-14
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . 3-34
System Check . . . . . . . . . . . . . . . . 3-22
Alarm Vehicle Security . . . . . . . . . . . . . . 2-11
Alert Side Blind Zone (SBZA) . . . . . . 9-36
All-Season Tires . . . . . . . . . . . . . . 10-38
All-Wheel Drive . . . . . . . . . 9-26, 10-23
AM-FM Radio . . . . . . . . . . . . . . . . . . . 7-6
Antenna Multi-band . . . . . . . . . . . . . . . . . . . . 7-11
Antilock Brake System (ABS) . . . . . . . . . . . . . . . . 9-26
Warning Light . . . . . . . . . . . . . . . . . 5-19 Appearance Care
Exterior . . . . . . . . . . . . . . . . . . . . . 10-75
Interior . . . . . . . . . . . . . . . . . . . . . . 10-80
Armrest Storage . . . . . . . . . . . . . . . . 4-2
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . 13-5
Audio Controller,
Rear (RAC) . . . . . . . . . . . . . . . . . . 7-17
Audio Players . . . . . . . . . . . . . . . . . 7-11 CD . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11
MP3 . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13
Audio System Radio Reception . . . . . . . . . . . . . . 7-10
Rear Seat (RSA) . . . . . . . . . . . . . 7-16
Theft-Deterrent Feature . . . . . . . . 7-2
Automatic
Dimming Mirrors . . . . . . . . . . . . . . 2-16
Door Locks . . . . . . . . . . . . . . . . . . . . 2-7
Transmission . . . . . . . . . . . . . . . . . 9-22
Transmission Fluid . . . . . . . . . 10-10
Automatic Transmission
Manual Mode . . . . . . . . . . . . . . . . . 9-24
Shift Lock ControlFunction Check . . . . . . . . . . . 10-23
Auxiliary
Devices . . . . . . . . . . . . . . . . . . . . . . . 7-15

Black plate (2,1)GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7576030) - 2015 - CRC - 8/18/14
i-2 INDEX
B
Battery . . . . . . . . . . . . . . . . . . . . . . . 10-22Jump Starting . . . . . . . . . . . . . . . 10-69
Load Management . . . . . . . . . . . . . 6-7
Power Protection . . . . . . . . . . . . . . 6-8
Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . . 5-33
Blade Replacement, Wiper . . . 10-24
Bluetooth Overview . . . . . . . . . . . . . . . . . . . . . 7-18
Brake
System Warning Light . . . . . . . . 5-18
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 10-20 Antilock . . . . . . . . . . . . . . . . . . . . . . . 9-26
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 9-28
Fluid . . . . . . . . . . . . . . . . . . . . . . . . 10-21
Parking . . . . . . . . . . . . . . . . . . . . . . . 9-27
System Messages . . . . . . . . . . . . 5-33
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Break-In, New Vehicle . . . . . . . . . 9-14
Bulb Replacement . . . . . . . . . . . . 10-26 Headlamp Aiming . . . . . . . . . . . 10-25
Headlamps . . . . . . . . . . . . . . . . . 10-26
License Plate Lamps . . . . . . . 10-26
Buying New Tires . . . . . . . . . . . . . 10-53
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 5-4
California
Fuel Requirements . . . . . . . . . . . 9-43
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 10-2
Warning . . . . . . . . . . . . . . . . . . . . . . 10-2
Camera Rear Vision (RVC) . . . . . . . . . . . . 9-38
Canadian Vehicle Owners . . . . . . . . iii
Capacities and Specifications . . . . . . . . . . . . . . . . 12-2
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 9-21
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Winter Driving . . . . . . . . . . . . . . . . . 9-7
Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Management System . . . . . . . . . . 4-3
Tie-Downs . . . . . . . . . . . . . . . . . . . . . 4-3
Cautions, Danger, and Warnings . . . . . . . . . . . . . . . . . . . . . . . . iv
CD Player . . . . . . . . . . . . . . . . . . . . . 7-11
Center Console Storage . . . . . . . . 4-2
Chains, Tire . . . . . . . . . . . . . . . . . . 10-57
Charging System Light . . . . . . . . 5-15 Check
Engine Light . . . . . . . . . . . . . . . . . . 5-15
Ignition
Transmission Lock . . . . . . . . 10-23
Child Restraints Infants and YoungChildren . . . . . . . . . . . . . . . . . . . . . 3-38
Lower Anchors and Tethers for Children . . . . . . . . . 3-44
Older Children . . . . . . . . . . . . . . . . 3-36
Securing . . . . . . . . . . . . . . . . 3-51, 3-53
Systems . . . . . . . . . . . . . . . . . . . . . . 3-41
Circuit Breakers . . . . . . . . . . . . . . 10-28
Cleaning Exterior Care . . . . . . . . . . . . . . . 10-75
Interior Care . . . . . . . . . . . . . . . . 10-80
Climate Control Systems . . . . . . . 8-1 Air Conditioning . . . . . . . . . . . . . . . 8-1
Dual Automatic . . . . . . . . . . . . . . . . 8-4
Heating . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Rear . . . . . . . . . . . . . . . . . . . . . 8-9, 8-10
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Cluster, Instrument . . . . . . . . . . . . 5-10
Collision Damage Repair . . . . . . 13-9
Compact Spare Tire . . . . . . . . . . 10-68

Black plate (4,1)GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7576030) - 2015 - CRC - 8/18/14
i-4 INDEX
Driving (cont'd)Vehicle Load Limits . . . . . . . . . . . . 9-9
Wet Roads . . . . . . . . . . . . . . . . . . . . 9-6
Winter . . . . . . . . . . . . . . . . . . . . . . . . . 9-7
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 8-4
E
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . 9-53
Electrical System
Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-28
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-28
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . 10-34
Overload . . . . . . . . . . . . . . . . . . . 10-27
Emergency OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-2
Engine Air Cleaner/Filter . . . . . . . . . . . 10-10
Check and Service EngineSoon Light . . . . . . . . . . . . . . . . . . 5-15
Compartment Overview . . . . . . . 10-5
Coolant . . . . . . . . . . . . . . . . . . . . . 10-12 Engine (cont'd)
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 5-12
Coolant Temperature
Warning Light . . . . . . . . . . . . . . . 5-21
Cooling System . . . . . . . . . . . . . .10-11
Cooling System Messages . . . 5-34
Cover . . . . . . . . . . . . . . . . . . . . . . . . . 10-6
Drive Belt Routing . . . . . . . . . . . . 12-3
Exhaust . . . . . . . . . . . . . . . . . . . . . . 9-21
Heater . . . . . . . . . . . . . . . . . . . . . . . . 9-17
Oil Life System . . . . . . . . . . . . . . . 10-9
Oil Messages . . . . . . . . . . . . . . . . . 5-35
Overheated Protection Operating Mode . . . . . . . . . . . 10-18
Overheating . . . . . . . . . . . . . . . . 10-16
Power Messages . . . . . . . . . . . . . 5-35
Pressure Light . . . . . . . . . . . . . . . . 5-21
Running While Parked . . . . . . . . 9-22
Starting . . . . . . . . . . . . . . . . . . . . . . . 9-16
Entry Lighting . . . . . . . . . . . . . . . . . . . 6-6
Equipment, Towing . . . . . . . . . . . . 9-51
Event Data Recorders . . . . . . . . 13-14
Extender, Safety Belt . . . . . . . . . . 3-21
Exterior Lamp Controls . . . . . . . . . 6-1
F
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Filter, Engine Air Cleaner . . . . . . . . . 10-10
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-2
Flashers, Hazard Warning . . . . . . 6-3
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-58 Changing . . . . . . . . . . . . . . . . . . . 10-59
Floor Mats . . . . . . . . . . . . . . . . . . . . 10-83
Fluid Automatic Transmission . . . . 10-10
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-21
Power Steering . . . . . . . . . . . . . 10-18
Washer . . . . . . . . . . . . . . . . . . . . . 10-19
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 6-4
Folding Mirrors . . . . . . . . . . . . . . . . 2-15
Forward Collision Alert
(FCA) System . . . . . . . . . . . . . . . . 9-33
Frequency Statement
Radio . . . . . . . . . . . . . . . . . . . . . . . 13-12
Front Fog Lamp Light . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . 3-3
Heated and Cooled . . . . . . . . . . . . 3-8

Black plate (5,1)GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7576030) - 2015 - CRC - 8/18/14
INDEX i-5
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-42Additives . . . . . . . . . . . . . . . . . . . . . 9-43
Economy Driving . . . . . . . . . . . . . 1-22
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 9-45
Filling the Tank . . . . . . . . . . . . . . . 9-43
Foreign Countries . . . . . . . . . . . . 9-43
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Requirements, California . . . . . 9-43
System Messages . . . . . . . . . . . . 5-36
Fuses
Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-28
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-28
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . 10-34
G
Garage Door Opener . . . . . . . . . . 5-49Programming . . . . . . . . . . . . . . . . . 5-49
Gauges Engine Coolant
Temperature . . . . . . . . . . . . . . . . 5-12
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Odometer . . . . . . . . . . . . . . . . . . . . . 5-11 Gauges (cont'd)
Speedometer . . . . . . . . . . . . . . . . . 5-11
Tachometer . . . . . . . . . . . . . . . . . . . 5-11
Voltmeter . . . . . . . . . . . . . . . . . . . . . 5-12
Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . . 5-9
General Information Service and Maintenance . . . . . 11-1
Towing . . . . . . . . . . . . . . . . . . . . . . . . 9-46
Vehicle Care . . . . . . . . . . . . . . . . . . 10-2
Glove Box . . . . . . . . . . . . . . . . . . . . . . 4-1
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . 13-5
H
Hazard Warning Flashers . . . . . . . 6-3
Head Restraints . . . . . . . . . . . . . . . . 3-2
Head-up Display . . . . . . . . . . . . . . . 5-28
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . 10-25
Bulb Replacement . . . . . . . . . . 10-26
Daytime Running Lamps/
Automatic Headlamp
System . . . . . . . . . . . . . . . . . . . . . . . 6-2
Delayed . . . . . . . . . . . . . . . . . . . . . . . 6-3 Headlamps (cont'd)
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-2
High-Beam On Light . . . . . . . . . . 5-22
High/Low Beam Changer . . . . . . 6-2
Heated and Cooled Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Heated Mirrors . . . . . . . . . . . . . . . . . 2-15
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . 9-17
Heating and Air Conditioning . . . 8-1
High Voltage Devices and Wiring . . . . . . . . . . . . . . . . . . . . . . . 10-27
High-Beam On Light . . . . . . . . . . . 5-22
Hill and Mountain Roads . . . . . . . . 9-6
Hill Start Assist (HSA) . . . . . . . . . 9-28
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
How to Wear Safety Belts Properly . . . . . . . . . . . . . . . . . . . . . . 3-15
I
Ignition Positions . . . . . . . . . . . . . . 9-14
Ignition Transmission LockCheck . . . . . . . . . . . . . . . . . . . . . . . 10-23
Immobilizer . . . . . . . . . . . . . . . . . . . . 2-13