ECU HUMMER H2 2005 Repair Manual

Owner Checks and Services
These owner checks and services should be performed
at the intervals specied to help ensure the safety,
dependability and emission control performance of your
vehicle. Your GM Goodwrench dealer can assist you
with these checks and services.
Be sure any necessary repairs are completed at once.
Whenever any uids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
inRecommended Fluids and Lubricants on page 6-12.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil
if necessary. SeeEngine Oil on page 5-13for
further details.
Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary. SeeEngine
Coolant on page 5-24for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the windshield
washer tank and add the proper uid if necessary.
At Least Once a Month
Tire Ination Check
Visually inspect your tires and make sure tires are
inated to the correct pressures. Do not forget to check
your spare tire. SeeTires on page 5-54for further
details. Check to make sure the spare tire is stored
securely. Push, pull and then try to turn the spare tire. If
it moves, tighten it. SeeChanging a Flat Tire on
page 5-70.
6-9

For prompt and efficient assistance when calling, please
provide the following to the Roadside Assistance
Representative:
Your name, home address, and home telephone
number.
Telephone number of your location.
Location of the vehicle.
Model, year, color, and license plate number
Mileage, Vehicle Identication Number (VIN) and
delivery date of the vehicle
Description of the problem
While we hope you never have the occasion to use our
service, it is added security while traveling for you and
your family. Remember, we are only a phone call away.
HUMMER Roadside Assistance: 1-866-HUMMER6
(486-6376), text telephone (TTY) users, call
1-888-889-2438.
HUMMER reserves the right to limit services or
reimbursement to an owner or driver when, in
HUMMER’s judgement, the claims become excessive in
frequency or type of occurrence.
Roadside Assistance is not part of or included in the
coverage provided by the New Vehicle Limited Warranty.
HUMMER reserves the right to make any changes or
discontinue the Roadside Assistance program at
any time without notication.
Canadian Roadside Assistance
Vehicles purchased in Canada have an extensive
roadside assistance program accessible from anywhere
in Canada or the United States. Please refer to the
Warranty and Owner Assistance Information book.
Courtesy Transportation
HUMMER has always exemplied quality and value in
its offering of motor vehicles. To enhance your
ownership experience, we and our participating dealers
are proud to offer Courtesy Transportation, a customer
support program for new vehicles.
The Courtesy Transportation program is offered to retail
purchase/lease customers in conjunction with the
Bumper-to-Bumper coverage provided by the New
Vehicle Limited Warranty. Several transportation options
are available when warranty repairs are required. This will
reduce your inconvenience during warranty repairs.
7-7

Check
Engine Light...............................................3-37
Checking Things Under the Hood....................... 5-9
Chemical Paint Spotting...................................5-99
Child Restraints
Child Restraint Systems...............................1-42
Infants and Young Children...........................1-39
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-49
Older Children.............................................1-36
Securing a Child Restraint Designed for the
LATCH System........................................1-51
Securing a Child Restraint in a Rear Seat
Position..................................................1-52
Securing a Child Restraint in the Right Front
Seat Position...........................................1-54
Top Strap...................................................1-46
Top Strap Anchor Location............................1-47
Where to Put the Restraint...........................1-45
Chime Level Adjustment..................................3-92
Cigarette Lighter.............................................3-18
Cleaning
Aluminum Wheels........................................5-98
Exterior Lamps/Lenses.................................5-97
Fabric/Carpet..............................................5-92
Finish Care.................................................5-97
Glass Surfaces............................................5-95
Instrument Panel.........................................5-94
Interior Plastic Components...........................5-94
Leather......................................................5-94Cleaning (cont.)
Speaker Covers..........................................5-95
Tires..........................................................5-99
Underbody Maintenance...............................5-99
Vinyl..........................................................5-94
Washing Your Vehicle...................................5-96
Weatherstrips..............................................5-95
Windshield, Backglass, and Wiper Blades.......5-98
Wood Panels..............................................5-95
Climate Control System
Climate Controls Personalization....................3-25
Dual Automatic............................................3-19
Outlet Adjustment........................................3-25
Comfort Guides, Rear Safety Belt.....................1-33
Content Theft-Deterrent....................................2-22
Control of a Vehicle.......................................... 4-5
Coolant
Engine Temperature Gage............................3-35
Heater, Engine............................................2-27
Surge Tank Pressure Cap.............................5-26
Cooling System..............................................5-29
Cruise Control Lever.......................................3-10
Cruise Control Light........................................3-41
Customer Assistance Information
Courtesy Transportation.................................. 7-7
Customer Assistance for Text Telephone (TTY)
Users....................................................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
3

Customer Assistance Information (cont.)
GM Mobility Program for Persons with
Disabilities................................................ 7-5
Reporting Safety Defects to General Motors....7-11
Reporting Safety Defects to the Canadian
Government............................................7-11
Reporting Safety Defects to the United
States Government...................................7-10
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-11
D
Daytime Running Lamps..................................3-14
Defensive Driving............................................. 4-2
Delayed Locking............................................... 2-9
Doing Your Own Service Work........................... 5-4
Dome Lamps.................................................3-17
Door
Delayed Locking........................................... 2-9
Locks.......................................................... 2-8
Power Door Locks......................................... 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12
Driver
Position, Safety Belt.....................................1-22
Driver Information Center (DIC).........................3-43
DIC Operation and Displays..........................3-44
DIC Vehicle Personalization..........................3-54Driver Information Center (DIC) (cont.)
DIC Warnings and Messages........................3-47
Driving
At Night.....................................................4-39
City...........................................................4-43
Defensive..................................................... 4-2
Drunken....................................................... 4-2
First Aid and Tool Kit...................................4-55
Freeway.....................................................4-44
Front Mounted Receiver...............................4-56
Hill and Mountain Roads..............................4-46
In Rain and on Wet Roads...........................4-40
Off-Road....................................................4-16
Power Winch Platform..................................4-57
Recovery Loops..........................................4-53
Rocking Your Vehicle to Get it Out.................4-53
Winter........................................................4-48
Dual Automatic Climate Control System.............3-19
E
Electrical System
Add-On Equipment.....................................5-102
Center Instrument Panel Fuse Block.............5-106
Fuses and Circuit Breakers.........................5-103
Instrument Panel Fuse Block.......................5-103
Power Windows and Other Power Options....5-102
Underhood Fuse Block...............................5-107
Windshield Wiper Fuses.............................5-102
4

J
Jump Starting.................................................5-39
K
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Labelling, Tire Sidewall....................................5-55
Lamps
Battery Run-Down Protection.........................3-17
Dome........................................................3-17
Exterior......................................................3-13
Off-Road....................................................3-16
Reading.....................................................3-17
LATCH System
Child Restraints...........................................1-49
Securing a Child Restraint Designed for the
LATCH System........................................1-51
Liftgate..........................................................2-13
Light
Airbag Off..................................................3-30
Airbag Readiness........................................3-29
Anti-Lock Brake System Warning...................3-34Light (cont.)
Brake System Warning.................................3-32
Charging System.........................................3-31
Cruise Control.............................................3-41
Highbeam On.............................................3-41
Low Fuel Warning.......................................3-43
Malfunction Indicator....................................3-37
Safety Belt Reminder...................................3-28
Security.....................................................3-41
Tow/Haul Mode...........................................3-42
Traction Off................................................3-34
Lighting
Entry/Exit...................................................3-17
Locking Rear Axle...........................................4-10
Lockout Protection..........................................2-13
Locks
Delayed Locking........................................... 2-9
Door........................................................... 2-8
Lockout Protection.......................................2-13
Power Door.................................................. 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-15
Low Fuel Warning Light...................................3-43
Luggage Carrier..............................................2-55
Lumbar
Power Controls............................................. 1-3
7

Outside (cont.)
Heated Mirrors............................................2-47
Power Mirrors.............................................2-46
Overheated Engine Protection Operating Mode.....5-28
Owner Checks and Services.............................. 6-9
Owners, Canadian............................................... ii
P
Park (P)
Shifting Into................................................2-37
Shifting Out of............................................2-38
Parking
Brake........................................................2-36
Over Things That Burn.................................2-38
Passing.........................................................4-13
Passlock
®......................................................2-24
Personalization, Climate Controls......................3-25
Power
Accessory Outlets........................................3-18
Door Locks.................................................. 2-9
Electrical System.......................................5-102
Lumbar Controls........................................... 1-3
Retained Accessory (RAP)............................2-26
Seat............................................................ 1-2
Steering Fluid.............................................5-33
Windows....................................................2-19
Power Winch Platform.....................................4-57Programmable Automatic Door Locks.................2-10
Programming the HomeLink
®Transmitter...........2-51
Q
Questions and Answers About Safety Belts.........1-21
R
Radios..........................................................3-60
Care of Your Cassette Tape Player................3-91
Care of Your CD Player...............................3-92
Care of Your CDs........................................3-92
Navigation/Radio System..............................3-87
Radio with Cassette and CD.........................3-61
Radio with Six-Disc CD................................3-74
Rear Seat Audio..........................................3-87
Setting the Time..........................................3-61
Theft-Deterrent............................................3-89
Understanding Reception..............................3-90
Reading Lamps..............................................3-17
Rear Axle......................................................5-44
Locking......................................................4-10
Rear Door Security Locks................................2-12
Rear Heated Seats........................................... 1-7
Rear Safety Belt Comfort Guides......................1-33
Rear Seat Armrest..........................................2-59
9

Seats
60/40 Split Bench Seat.................................. 1-7
Head Restraints............................................ 1-6
Heated Seats............................................... 1-4
Heated Seats, Rear....................................... 1-7
Memory.....................................................2-63
Power Lumbar.............................................. 1-3
Power Seats................................................. 1-2
Reclining Seatbacks...................................... 1-5
Third Row Seat...........................................1-10
Securing a Child Restraint
Designed for the LATCH System...................1-51
Rear Seat Position......................................1-52
Right Front Seat Position..............................1-54
Security Light.................................................3-41
Selectable Extended Rear Ride Height...............4-65
Service........................................................... 5-3
Adding Equipment to the Outside of Your
Vehicle..................................................... 5-5
Doing Your Own Work................................... 5-4
Engine Soon Light.......................................3-37
Publications Ordering Information...................7-11
Servicing Your Airbag-Equipped Vehicle..............1-68
Setting the Time.............................................3-61
Sheet Metal Damage.......................................5-99
Shifting Into Park (P).......................................2-37
Shifting Out of Park (P)...................................2-38
Signals, Turn and Lane-Change.......................... 3-7
Spare Tire.....................................................5-91
Installing....................................................5-79Spare Tire (cont.)
Removing...................................................5-71
Storing.......................................................5-86
Specications, Capacities...............................5-112
Speedometer..................................................3-28
Split Bench Seat (60/40).................................... 1-7
Starting Your Engine.......................................2-26
Steering........................................................4-11
Steering Wheel Controls, Audio.........................3-89
Steering Wheel, Tilt Wheel................................. 3-6
Storage Areas
All-Weather Cargo Area................................2-59
Center Console Storage Area........................2-55
Center Overhead Console.............................2-54
Glove Box..................................................2-54
Luggage Carrier..........................................2-55
Rear Seat Armrest.......................................2-59
Stuck in Sand, Mud, Ice or Snow......................4-52
Sun Visors.....................................................2-22
Sunroof.........................................................2-62
Suspension....................................................4-66
T
Tachometer....................................................3-28
Tailgate.........................................................2-16
Taillamps.......................................................5-50
Theft-Deterrent, Radio.....................................3-89
Theft-Deterrent Systems...................................2-22
11