HUMMER H2 (2003–2009) — Verified Specs, Fluids & OBD2
Built 2003–2009 · all production years covered on this single page
6.0L V8 • Gasoline
2009
© Wikimedia Commons CC BY-SA
Every figure on this Hummer H2 (2003–2009) page is aggregated and cross-checked against more than 6.6 million real workshop operations, NHTSA records and OEM technical sources — and updated continuously. No invented estimates.
The Hummer H2 (2003–2009) is powered by a 6.0L V8 engine. Use the sections below for verified fluids, battery, OEM tyres, the maintenance schedule, recommended parts and the most commonly reported OBD2 fault codes for this vehicle.
Common problems
Common repairs
Fluids & lubricants
Battery
Fault codes (OBD2)
Dashboard lights
Parts comparator
Accessories & tools
Tyres
Recalls & TSB
Complaints
Workshops nearby
COMMON PROBLEMS
Transmission fault signal (TCM)MODERATE
The transmission module detected a fault — check separate transmission codes.
Related codes: P0700
Misfire / Loss of cylinderMODERATE
Rough running, idle vibration, power loss.
Related codes: P0300
Thermostat: coolant temperature lowLOW
Thermostat stuck open — engine does not reach operating temperature.
Related codes: P0128
Battery/system voltage lowLOW
System voltage below 10V — check alternator, battery or wiring.
Related codes: P0562
P0011LOW
Check with an OBD2 scanner.
Related codes: P0011
AVERAGE INDICATIVE COSTS
Prices may vary by area and workshop.
Full service
€ 120 – € 200
Full brake service
€ 180 – € 300
Spark plug replacement
€ 80 – € 140
Electronic diagnosis
€ 40 – € 70
WORKSHOP LABOUR RATES BY COUNTRY
Average independent-workshop hourly labour rates, to estimate repair costs in your country.
🇩🇪Germany€95/h
🇪🇸Spain€55/h
🇫🇷France€75/h
🇮🇹Italy€45/h
🇬🇧UK£80/h
🇺🇸USA$120/h
Reference rate
€45/h
Source: Eurostat 2024
💧 FLUIDS & LUBRICANTS
📋 RECALLS & TSB (23)
NHTSA 02V283000
Visibility › Windshield Wiper/Washer › Motor
Date: 29/10/2002
CERTAIN SPORT UTILITY AND PASSENGER VEHICLES EXHIBIT A CONDITION IN WHICH THE WINDSHIELD WIPER MOTOR COULD FAIL DURING USE BECAUSE OF IMPROPER MANUFACTURE.
NHTSA 08V441000
Electrical System
Date: 28/08/2008
GM IS RECALLING 857,735 MY 2006-2008 BUICK LUCERNE; CADILLAC DTS; HUMMER H2; MY 2007-2008 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL, SATURN OUTLOOK; AND MY 2008 BUICK ENCLAVE VEHICLES EQUIPP…
NHTSA 08V441000
Electrical System
Date: 28/08/2008
GM IS RECALLING 857,735 MY 2006-2008 BUICK LUCERNE; CADILLAC DTS; HUMMER H2; MY 2007-2008 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL, SATURN OUTLOOK; AND MY 2008 BUICK ENCLAVE VEHICLES EQUIPP…
NHTSA 08V441000
Electrical System
Date: 28/08/2008
GM IS RECALLING 857,735 MY 2006-2008 BUICK LUCERNE; CADILLAC DTS; HUMMER H2; MY 2007-2008 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL, SATURN OUTLOOK; AND MY 2008 BUICK ENCLAVE VEHICLES EQUIPP…
NHTSA 07V373000
Service Brakes, Air › Antilock › Wheel Speed Sensor
Date: 22/08/2007
ON CERTAIN TRUCKS, THE WIRES IN THE ABS WHEEL SPEED SENSOR FRONT OR REAR HARNESS MAY BE REVERSED.
NHTSA 05V163000
Seat Belts › Rear/Other
Date: 22/04/2005
ON CERTAIN CREW CAB PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE 2ND ROW CENTER OCCUPANT SEAT BELT ROUTING MAY MAKE IT DIFFICULT TO POSITION THE LAP PORTION OF THE SAFETY BELT LOW AROUND THE HIPS OF OCCUPANTS, ESPECIALLY SMALLER OCCUPANTS, SEATED IN THIS POSITION. APPROPRIATE …
NHTSA 05V163000
Seat Belts › Rear/Other
Date: 22/04/2005
ON CERTAIN CREW CAB PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE 2ND ROW CENTER OCCUPANT SEAT BELT ROUTING MAY MAKE IT DIFFICULT TO POSITION THE LAP PORTION OF THE SAFETY BELT LOW AROUND THE HIPS OF OCCUPANTS, ESPECIALLY SMALLER OCCUPANTS, SEATED IN THIS POSITION. APPROPRIATE …
NHTSA 08V456000
Visibility › Windshield Wiper/Washer › Motor
Date: 09/09/2008
GM IS RECALLING 13,358 MY 2003 HUMMER H2 VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH WATER CAN ENTER THE WINDSHIELD WIPER MOTOR MODULE. IF A SUFFICIENT AMOUNT OF WATER ENTERS THE MODULE, OVER TIME, THE FRONT WINDSHIELD WIPERS MAY WORK INTERMITTENTLY OR THEY MAY B…
NHTSA 05V043000
Service Brakes, Hydraulic
Date: 08/02/2005
CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.
NHTSA 05V043000
Service Brakes, Hydraulic
Date: 08/02/2005
CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.
NHTSA 05V552000
Equipment › Other › Labels
Date: 07/12/2005
CERTAIN TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SHIPPED WITH TIRE AND LOADING INFORMATION LABELS LISTING AN INACCCURATE VEHICLE CAPACITY WEIGHT.
NHTSA 03V075000
Power Train › Automatic Transmission
Date: 06/03/2003
CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 114, "THEFT PROTECTION." THESE VEHICLES ARE EQUIPPED WITH A MECHANICAL OVERRIDE THAT COULD ALLOW THE IGNITION KEY TO BE REMOVED WITH THE SHIFT LEVER IN A POSITION OTH…
NHTSA 05V455000
Steering › Hydraulic Power Assist › Hose, Piping, And Connections
Date: 05/10/2005
CERTAIN PASSENGER VEHICLES MAY HAVE BEEN BUILT WITH A POWER STEERING HOSE THAT IS NOT TO SPECIFICATION. UNDER EXTREME STEERING MANEUVERS, SUCH AS TURNING THE STEERING WHEEL FULLY TO THE LEFT OR RIGHT WHILE BRAKING, THE HOSE MAY FRACTURE AND LEAK FLUID.
NHTSA 10V240000
Electrical System
Date: 04/06/2010
GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, …
NHTSA 10V240000
Electrical System
Date: 04/06/2010
GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, …
NHTSA 10V240000
Electrical System
Date: 04/06/2010
GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, …
NHTSA 10V240000
Electrical System
Date: 04/06/2010
GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, …
NHTSA 04V045000
Service Brakes, Hydraulic
Date: 04/02/2004
CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING REL…
NHTSA 04V045000
Service Brakes, Hydraulic
Date: 04/02/2004
CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING REL…
NHTSA 06E010000
Steering
Date: 01/02/2006
CERTAIN FABTECH AFTERMARKET REPLACEMENT PITMAN ARMS, P/NOS. FTS71000 AND FTS71001, INSTALLED FOR USE ON CERTAIN 2001-2006 GM C/K 2500 PICK UP TRUCKS AND SPORT UTILITY VEHICLES. THE PIN LOCATED INSIDE THE PITMAN ARM CAN SHEAR OFF DUE TO A REVERSE BENDING FATIGUE CONDITION, RESULT…
NHTSA 06E010000
Steering
Date: 01/02/2006
CERTAIN FABTECH AFTERMARKET REPLACEMENT PITMAN ARMS, P/NOS. FTS71000 AND FTS71001, INSTALLED FOR USE ON CERTAIN 2001-2006 GM C/K 2500 PICK UP TRUCKS AND SPORT UTILITY VEHICLES. THE PIN LOCATED INSIDE THE PITMAN ARM CAN SHEAR OFF DUE TO A REVERSE BENDING FATIGUE CONDITION, RESULT…
NHTSA 06E010000
Steering
Date: 01/02/2006
CERTAIN FABTECH AFTERMARKET REPLACEMENT PITMAN ARMS, P/NOS. FTS71000 AND FTS71001, INSTALLED FOR USE ON CERTAIN 2001-2006 GM C/K 2500 PICK UP TRUCKS AND SPORT UTILITY VEHICLES. THE PIN LOCATED INSIDE THE PITMAN ARM CAN SHEAR OFF DUE TO A REVERSE BENDING FATIGUE CONDITION, RESULT…
NHTSA 06E010000
Steering
Date: 01/02/2006
CERTAIN FABTECH AFTERMARKET REPLACEMENT PITMAN ARMS, P/NOS. FTS71000 AND FTS71001, INSTALLED FOR USE ON CERTAIN 2001-2006 GM C/K 2500 PICK UP TRUCKS AND SPORT UTILITY VEHICLES. THE PIN LOCATED INSIDE THE PITMAN ARM CAN SHEAR OFF DUE TO A REVERSE BENDING FATIGUE CONDITION, RESULT…
COMMON OBD2 CODES TO CHECK
P0420
P0420
Powertrain
P0171
P0171
Powertrain
P0300
P0300
Powertrain
P0128
P0128
Powertrain
P0455
P0455
Powertrain
P0700
P0700
Transmission
P0442
P0442
Powertrain
P0172
P0172
Powertrain
P0401
P0401
Powertrain
All documented fault codes for this vehicle
The most documented diagnostic codes for this model, by system and severity. Tap a code for the full guide.
P0455
powertrain
LOW⏱ 0.62h avgP0442
powertrain
LOW⏱ 0.62h avgP0440
powertrain
LOW⏱ 0.78h avgP0420
powertrain
MEDIUM⏱ 1.24h avgP0300
powertrain
HIGH⏱ 1.22h avgP0172
powertrain
MEDIUM⏱ 1.13h avgP0171
powertrain
MEDIUM⏱ 0.95h avgP0730
transmission
MEDIUM⏱ 1.25h avgP0700
transmission
HIGH⏱ 1.25h avgP0401
powertrain
MEDIUM⏱ 1.25h avgP0011
powertrain
MEDIUM⏱ 5.4h avgU0100
network
HIGHP0562
electrical
MEDIUM⏱ 0.58h avgP0128
powertrain
MEDIUM⏱ 0.88h avg
DASHBOARD WARNING LIGHTS — UNIVERSAL GUIDE
53 warning lights classified by urgency. Appears on your vehicle? Check the urgency level.
Show all dashboard warning lights
🔴 IMMEDIATE STOP — pull over
Oil Pressure WarningEngine
Engine Temperature WarningCooling
Brake System WarningBrakes
Immobilizer / Key FaultSecurity
🟠 WARNING — check soon
Malfunction Indicator Light (MIL) / Check EngineEngine
Diesel Particulate Filter (DPF)Emissions
Battery / Charging SystemElectrical
Low Fuel WarningFuel
ABS WarningBrakes
Brake Pad Wear IndicatorBrakes
Electronic Parking Brake (EPB)Brakes
Power Steering WarningSteering
ESC / Stability Control FaultChassis
Tire Pressure Warning (TPMS)Chassis
Transmission Temperature WarningTransmission
Transmission / Gearbox FaultTransmission
Airbag / SRS WarningActive safety
EGR / Exhaust Gas Recirculation FaultEmissions
Catalytic Converter / Emissions FaultEmissions
AdBlue / DEF Level LowEmissions
Coolant Level LowCooling
Hybrid / EV System WarningHybrid
EV Charge System FaultHybrid
12V Battery (Hybrid/EV Auxiliary)Hybrid
Suspension Fault / Air SuspensionSuspension
CAN Bus / Network Communication FaultNetwork
Water in Fuel FilterFuel
Diesel Injector FaultFuel
Steering Angle Sensor FaultSteering
Turbo / Boost Pressure FaultEngine
Regenerative Braking Fault (Hybrid/EV)Hybrid
🟡 MONITOR
Fuel Cap / Evap SystemEmissions
4WD / AWD SystemDrivetrain
Bulb Failure WarningLighting
Headlight Range / Leveling FaultLighting
Service / Maintenance DueMaintenance
A/C System FaultHvac
Clutch Wear WarningTransmission
Cruise Control / ACC FaultADAS
🔵 INFORMATION
Engine Temperature Low (Blue)Cooling
Glow Plug / Diesel PreheatEngine
Traction Control / ESC OffChassis
Seatbelt ReminderActive safety
Rear Fog Light IndicatorLighting
Lane Departure / LDWS WarningADAS
Forward Collision Warning (FCW/AEB)ADAS
Blind Spot Monitor FaultADAS
Rear Parking Sensor / Camera FaultADAS
Windshield Washer Fluid LowMaintenance
Door Open WarningBody
Hood / Trunk Open WarningBody
Gear Shift Indicator (Manual)Transmission
Sport / Performance Mode ActiveTransmission
REPORTED COMPLAINTS & PROBLEMS (NHTSA)
204 owner complaints filed with the U.S. National Highway Traffic Safety Administration (NHTSA) for the Hummer H2 across model years 2003–2009. These are real, verified reports submitted by vehicle owners.
11 crash reports 7 fires 12 injuries
Complaints by model year (most reported first)
Model year 200560
Model year 200360
Model year 200459
Model year 200625
Most reported components (all years)
Electrical System58
Service Brakes43
Visibility32
Visibility/Wiper17
Steering16
Air Bags16
Sample reports
WINDSHIELD WASHER MOTOR RUNS, CAN NOT CONTROL, HAD TO REMOVE FUSE TO STOP MOTOR. *TR (MY 2005)
KEY STUCK IN IGNITION. FORTUNATELY WE ARRIVED HOME BEFORE THIS HAPPENED, BUT WHEN WE GOT HOME WE COULD NOT REMOVE THE KEY FROM THE IGNITION. WE HAD TO LEAVE IT IN THE IGNITION, WHICH RAN THE BATTERY DOWN BY THE NEXT MORNING. WE HAVE H… (MY 2003)
2005 HUMMER H2 - WINDSHIELD WIPER NOT FUNCTIONING PROPERLY. SEEMS TO BE A DEFECT WITH WIPER MODULE. *TR (MY 2005)
WHILE DRIVING 35 MPH THE STEERING KNUCKLE FRACTURED WITHOUT WARNING. AS A RESULT THE FRONT DRIVER SIDE WHEEL SEPARATED FROM THE VEHICLE. THE VEHICLE HAD TO BE TOWED TO THE NEAREST DEALER. PLEASE PROVIDE ADDITIONAL INFORMATION. *JB (MY 2004)
Source: NHTSA complaints database (U.S. data.gov). Figures cover production years 2003–2009.
Frequently Asked Questions
Does the Hummer H2 have any safety recalls?
Yes — 23 official NHTSA recall campaign(s) affect this model, mainly: ELECTRICAL SYSTEM, SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. Check the recalls section for your exact year/VIN.
What does fault code P0300 mean on the Hummer H2?
Random/Multiple Cylinder Misfire Detected This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
What does fault code P0128 mean on the Hummer H2?
Coolant temperature below thermostat regulating temperature — thermostat stuck open or faulty This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
What does fault code P0011 mean on the Hummer H2?
A Camshaft Position Timing Over-Advanced or System Performance (Bank 1) This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
Are steering problems common on the Hummer H2?
Yes — 30 of 200 real owner reports filed with NHTSA mention the steering. One owner reported: “ONE EVENING WHILE DRIVING IN THE RAIN ON A LOCAL ROAD HEADED HOME MY WINDSHIELD WIPERS WHICH OFCOURSE WERE IN OPERATION SUDDENLY STOPPED STUCK IN THE UPRIGHT POSITION I IMMEDIATELY HEARD A SOMEWHAT LO…” See the owner-reported complaints section below for more.
Are electrical problems common on the Hummer H2?
Yes — 42 of 200 real owner reports filed with NHTSA mention the electrical. One owner reported: “drivers seat goes toward dash when key is turned on. have not been able to reset it in any way. cruise control wont activate. front washer pump wont pump. front wiper motor would not shut off. disco…” See the owner-reported complaints section below for more.
Are brakes problems common on the Hummer H2?
Yes — 50 of 200 real owner reports filed with NHTSA mention the brakes. One owner reported: “THE PASS LOCK KEEPS MY VEHICLE FROM STARTING AND STOPPING IT AT RANDOM, AND HAS BEEN DOING THIS FOR YEARS. SEEMS TO HAPPEN TO AT LEAST 85% OF HUMMERS OUT THERE IF YOU CHECK AROUND, HUMMER FORUM AND OT…” See the owner-reported complaints section below for more.
Which OBD2 fault codes are commonly documented for the Hummer H2 (2003–2009)?
Commonly documented OBD2 codes across many vehicles include: P0420, P0300, P0171. Find the full description, likely causes and estimated repair costs in the OBD2 Codes section on this page.
How often should the Hummer H2 (2003–2009) be serviced?
Routine maintenance for the Hummer H2 (2003–2009) typically includes an oil change every 6,000–9,000 miles (10,000–15,000 km), an air filter every 12,000–18,000 miles (20,000–30,000 km) and a brake inspection every 12,000 miles (20,000 km). Check the full plan with specific intervals in the Scheduled Maintenance section on this page.
Found what you were looking for? Explore other Hummer models in our database, compare tyre offers in your size, or search a specific fault code in the TroubleAtlas OBD2 database.