ECU HUMMER H2 2009 Repair Manual

At Least Once a Month
Tire Ination Check
Inspect the vehicle’s tires and make sure they are
inated to the correct pressures. Do not forget to
check the spare tire. SeeInflation - Tire Pressure on
page 5-63. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-80.
Tire Wear Inspection
Tire rotation may be required for high mileage highway
drivers prior to the Engine Oil Life System service
notication. Check the tires for wear and, if necessary,
rotate the tires. SeeTire Inspection and Rotation on
page 5-69.
At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the vehicle
could move suddenly. If the vehicle moves, you or
others could be injured.
1. Before starting this check, be sure there is enough
room around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-42.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. Try to start the engine in each gear. The vehicle
should start only in P (Park) or N (Neutral). If the
vehicle starts in any other position, contact
your dealer/retailer for service.
6-10

Coverage
Services are provided up to 5 years/100,000 miles
(160 000 km), whichever comes rst.
In the U.S., anyone driving the vehicle is covered.
In Canada, a person driving the vehicle without
permission from the owner is not covered.
Roadside Assistance is not a part of the New Vehicle
Limited Warranty. HUMMER and General Motors
of Canada Limited reserve the right to make any
changes or discontinue the Roadside Assistance
program at any time without notication.
HUMMER and General Motors of Canada Limited
reserve the right to limit services or payment to an owner
or driver if they decide the claims are made too often,
or the same type of claim is made many times.
Services Provided
Emergency Fuel Delivery:Delivery of enough fuel
for the vehicle to get to the nearest service station.
Lock-Out Service:Service is provided to unlock the
vehicle if you are locked out. A remote unlock may
be available if you have OnStar
®. For security
reasons, the driver must present identication
before this service is given.
Emergency Tow From a Public Road or Highway:
Tow to the nearest HUMMER dealer for warranty
service, or if the vehicle was in a crash and cannot
be driven.
Flat Tire Change:Service is provided to change a
at tire with spare tire. The spare tire, if equipped,
must be in good condition and properly inated. It is
your responsibility for the repair or replacement of
the tire if it is not covered by the warranty.
Battery Jump Start:Service is provided to jump
start a dead battery.
Trip Routing Service:Detailed maps of North
America are provided when requested either with the
most direct route or the most scenic route. Additional
travel information is also available. Allow three
weeks for delivery.
Trip Interruption Benets and Assistance:
If your trip is interrupted due to a warranty failure,
incidental expenses may be reimbursed during the
5 year/100,000 miles (160 000 km) Powertrain
warranty period. Items considered are hotel, meals,
and rental car.
7-8

OnStar®
If your vehicle has OnStar and you subscribe to the
OnStar services, please refer to the OnStar Terms and
Conditions for information on data collection and
use. See alsoOnStar
®System on page 2-54in this
manual for more information.
Navigation System
If your vehicle has a navigation system, use of the
system may result in the storage of destinations,
addresses, telephone numbers, and other trip
information. Refer to the navigation system operating
manual for information on stored data and for deletion
instructions.
Radio Frequency
Identication (RFID)
RFID technology is used in some vehicles for functions
such as tire pressure monitoring and ignition system
security, as well as in connection with conveniences
such as key fobs for remote door locking/unlocking and
starting, and in-vehicle transmitters for garage door
openers. RFID technology in GM vehicles does not use
or record personal information or link with any other
GM system containing personal information.
7-18

Chains, Tire...................................................5-77
Charging System Light....................................3-35
Check
Engine Lamp..............................................3-40
Checking Things Under the Hood......................5-11
Chemical Paint Spotting.................................5-108
Child Restraints
Child Restraint Systems...............................1-47
Infants and Young Children...........................1-43
Lower Anchors and Tethers for Children..........1-51
Older Children.............................................1-40
Securing a Child Restraint in a
Rear Seat Position...................................1-62
Securing a Child Restraint in the
Right Front Seat Position..........................1-64
Where to Put the Restraint...........................1-50
Cigarette Lighter.............................................3-21
Cleaning
Aluminum Wheels......................................5-107
Exterior Lamps/Lenses................................5-106
Fabric/Carpet............................................5-103
Finish Care...............................................5-106
Instrument Panel, Vinyl, and Other
Plastic Surfaces.....................................5-104
Interior.....................................................5-102
Leather....................................................5-104
Speaker Covers.........................................5-105
Tires........................................................5-108
Underbody Maintenance.............................5-108
Washing Your Vehicle.................................5-105Cleaning (cont.)
Weatherstrips............................................5-105
Windshield, Backglass, and Wiper Blades......5-107
Wood Panels............................................5-104
Climate Control System
Dual Automatic............................................3-22
Outlet Adjustment........................................3-27
Rear Air Conditioning and Heating System,
Electronic................................................3-28
Clock............................................................
3-21
Clock, Setting.................................................3-73
Collision Damage Repair..................................7-11
Compass.......................................................3-54
Content Theft-Deterrent....................................2-24
Control of a Vehicle.......................................... 4-3
Coolant
Engine.......................................................5-31
Engine Temperature Gage............................3-39
Cooling System..............................................5-27
Cruise Control................................................3-12
Cruise Control Light........................................3-44
Cupholders....................................................2-64
Customer Assistance Information
Courtesy Transportation................................7-10
Customer Assistance for
Text Telephone (TTY) Users........................ 7-6
Customer Assistance Offices........................... 7-6
Customer Satisfaction Procedure..................... 7-2
GM Mobility Reimbursement Program............... 7-7
Reporting Safety Defects to General Motors....7-15
3

Customer Assistance Information (cont.)
Reporting Safety Defects to the
Canadian Government..............................7-15
Reporting Safety Defects to the
United States Government.........................7-14
Roadside Service.......................................... 7-7
Service Publications Ordering Information........7-15
D
Daytime Running Lamp...................................3-16
Defensive Driving............................................. 4-2
Delayed Locking.............................................2-11
DIC Compass.................................................3-54
Disc, MP3.............................................3-94, 3-99
Doing Your Own Service Work........................... 5-4
Dome Lamp Override......................................3-18
Dome Lamps .................................................3-18
Door
Delayed Locking..........................................2-11
Locks........................................................2-10
Power Door Locks.......................................2-11
Programmable Automatic Door Locks.............2-11
Rear Door Security Locks.............................2-12
Driver Information Center (DIC).........................3-46
DIC Operation and Displays..................3-47, 3-52
DIC Vehicle Customization............................3-64
DIC Warnings and Messages........................3-56Driving
At Night.....................................................4-33
Before a Long Trip......................................4-35
Defensive..................................................... 4-2
Drunken....................................................... 4-3
First Aid and Tool Kit...................................4-42
Front Mounted Receiver...............................4-43
Highway Hypnosis.......................................4-35
Hill and Mountain Roads..............................4-36
In Rain and on Wet Roads...........................4-34
Off-Road ....................................................4-15
Power Winch Platform..................................4-43
Recovery Loops..........................................4-40
Rocking Your Vehicle to Get it Out.................4-40
Winter........................................................4-37
Driving for Better Fuel Economy......................... 4-2
Dual Automatic Climate Control System.............3-22
DVD
Rear Seat Entertainment System..................3-118
E
EDR .............................................................7-16
Electrical System
Add-On Equipment.....................................5-109
Center Instrument Panel Fuse Block.............5-112
Fuses and Circuit Breakers.........................5-110
Instrument Panel Fuse Block.......................5-111
4

I
Ignition Positions.............................................2-28
Infants and Young Children, Restraints...............1-43
Ination - Tire Pressure...................................5-63
Instrument Panel
Brightness..................................................3-17
Cluster.......................................................3-30
Overview..................................................... 3-4
J
Jump Starting.................................................5-42
K
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Labeling, Tire Sidewall.....................................5-58
Lamp
Malfunction Indicator....................................3-40
Lamps
Dome ........................................................3-18
Dome Lamp Override...................................3-18
Reading.....................................................3-18Lap-Shoulder Belt...........................................1-34
LATCH System for Child Restraints...................1-51
Liftgate
Carbon Monoxide........................................2-13
Light
Airbag Off..................................................3-33
Airbag Readiness........................................3-32
Antilock Brake System (ABS) Warning............3-38
Brake System Warning.................................3-37
Charging System.........................................3-35
Cruise Control.............................................3-44
Highbeam On.............................................3-44
Low Fuel Warning.......................................3-46
Oil Pressure...............................................3-43
Safety Belt Reminders..................................3-32
Security.....................................................3-44
StabiliTrak
®Indicator....................................3-38
Tire Pressure..............................................3-39
Tow/Haul Mode...........................................3-44
Lighting
Entry/Exit...................................................3-18
Lights
Exterior Lamps............................................3-15
Flash-to-Pass............................................... 3-9
High/Low Beam Changer................................ 3-9
On Reminder..............................................3-16
Loading Your Vehicle.......................................4-44
Locking Rear Axle...........................................4-10
Lockout Protection..........................................2-12
7

Locks
Delayed Locking..........................................2-11
Door ..........................................................2-10
Lockout Protection.......................................2-12
Power Door ................................................2-11
Programmable Automatic Door Locks.............2-11
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-13
Low Fuel Warning Light...................................3-46
Lower Anchors and Tethers for Children.............1-51
Luggage Carrier..............................................2-65
Lumbar
Power Controls............................................. 1-5
M
Maintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill........................................... 6-9
At Least Once a Month................................6-10
At Least Once a Year..................................6-10
Introduction.................................................. 6-2
Maintenance Footnotes.................................. 6-7
Maintenance Record....................................6-17
Maintenance Replacement Parts....................6-15
Maintenance Requirements............................. 6-2
Owner Checks and Services........................... 6-9Maintenance Schedule (cont.)
Recommended Fluids and Lubricants.............6-13
Scheduled Maintenance................................. 6-4
Using.......................................................... 6-3
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Lamp...............................3-40
Memory Seat and Mirrors.................................. 1-6
Message
DIC Warnings and Messages........................3-56
Midgate
®.......................................................2-14
Mirrors
Automatic Dimming Rearview........................2-47
Outside Automatic Dimming Mirror.................2-48
Outside Convex Mirror.................................2-49
Outside Heated Mirrors................................2-49
Outside Power Foldaway Mirrors....................2-47
Park Tilt.....................................................2-48
MP3 .....................................................3-94, 3-99
MyGMLink.com................................................ 7-5
N
Navigation System, Privacy..............................7-18
Navigation/Radio System,
see Navigation Manual...............................3-107
New Vehicle Break-In......................................2-27
8

Power Winch Platform.....................................4-43
Privacy..........................................................7-16
Event Data Recorders..................................7-17
Navigation System.......................................7-18
OnStar .......................................................7-18
Radio Frequency Identication.......................7-18
Programmable Automatic Door Locks.................2-11
R
Radio Frequency Identication (RFID), Privacy....7-18
Radio(s)........................................................3-75
Radios
Navigation/Radio System, see Navigation
Manual.................................................3-107
Rear Seat Audio........................................3-127
Reception.................................................3-129
Setting the Clock.........................................3-73
Theft-Deterrent..........................................3-128
Reading Lamps..............................................3-18
Rear Air Conditioning and Heating System and
Electronic Climate Controls...........................3-28
Rear Axle......................................................5-47
Locking......................................................4-10
Rear Door Security Locks................................2-12
Rear Heated Seats.........................................1-10
Rear Seat Armrest..........................................2-65
Rear Seat Audio (RSA)..................................3-127
Rear Seat Entertainment System.....................3-118Rear Vision Camera........................................2-50
Rear Windshield Washer/Wiper.........................3-11
Rearview Mirror, Automatic Dimming..................2-47
Reclining Seatbacks, Power............................... 1-8
Recommended Fluids and Lubricants.................6-13
Recovery Loops..............................................4-40
Recreational Vehicle Towing.............................4-50
Remote Keyless Entry (RKE) System.................. 2-4
Remote Keyless Entry (RKE) System, Operation . . . 2-5
Remote Vehicle Start........................................ 2-7
Removing the Flat Tire and Installing the
Spare Tire..................................................5-90
Removing the Spare Tire and Tools...........5-82, 5-86
Replacement Bulbs.........................................5-55
Replacement Parts, Maintenance......................6-15
Reporting Safety Defects
Canadian Government..................................7-15
General Motors...........................................7-15
United States Government............................7-14
Restraint System Check
Checking the Restraint Systems....................
1-80
Replacing Restraint System Parts
After a Crash..........................................1-81
Retained Accessory Power...............................2-29
Ride Height, Selectable Extended Rear Ride......4-52
Roadside
Service........................................................ 7-7
Rocking Your Vehicle to Get it Out....................4-40
Routing, Engine Drive Belt...............................6-16
Running the Vehicle While Parked.....................2-46
10

S
Safety Belt Reminders.....................................3-32
Safety Belts
Care of ....................................................5-105
How to Wear Safety Belts Properly................1-25
Lap-Shoulder Belt........................................1-34
Safety Belt Extender....................................1-39
Safety Belt Use During Pregnancy.................1-39
Safety Belts Are for Everyone.......................1-20
Safety Warnings and Symbols.............................. iii
Scheduled Maintenance..................................... 6-4
Seats
Bucket Seats, Rear......................................1-13
Heated Seats............................................... 1-6
Heated Seats - Rear....................................1-10
Memory, Mirrors............................................ 1-6
Power Lumbar .............................................. 1-5
Power Reclining Seatbacks............................. 1-8
Power Seats................................................. 1-4
Split Folding Rear Seat................................1-11
Third Row Seat...........................................1-14
Securing a Child Restraint
Rear Seat Position......................................1-62
Right Front Seat Position..............................1-64
Security Light.................................................3-44
Selectable Extended Rear Ride Height...............4-52Service........................................................... 5-3
Accessories and Modications......................... 5-3
Adding Equipment to the Outside of
the Vehicle................................................ 5-5
California Perchlorate Materials Requirements.... 5-4
California Proposition 65 Warning.................... 5-4
Doing Your Own Work................................... 5-4
Engine Soon Lamp......................................3-40
Publications Ordering Information...................7-15
Service, Scheduling Appointments.....................7-10
Servicing Your Airbag-Equipped Vehicle..............1-79
Setting the Clock............................................3-73
Sheet Metal Damage.....................................5-108
Shifting Into Park............................................2-43
Shifting Out of Park........................................2-44
Side Steps.....................................................4-33
Signals, Turn and Lane-Change.......................... 3-8
Spare Tire....................................................5-101
Carrier, Tailgate...........................................2-16
Installing....................................................5-90
Removing...........................................5-82, 5-86
Storing...............................................5-95, 5-98
Specications, Capacities...............................5-117
Speedometer..................................................3-31
Split Folding Rear Seat....................................1-11
StabiliTrak
®Indicator Light...............................3-38
StabiliTrak®System.......................................... 4-6
11