Problems owners report
Complaints filed with NHTSA about the 2010 Hummer H3, by the system named in each complaint. One complaint can name several.
- Electrical system4
- Power train1
- Visibility1
- Engine1
- Structure1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
New York safety inspections
At its first New York inspection the 2010 Hummer H3 failed the safety check 1.62% of the time — 35% less often than the average 2010 passenger car (2.50%). Median odometer at inspection: 114,069 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Registered new in Europe in 2010
159 new Hummer H3 cars were registered in the EU, Norway and Iceland in 2010; the largest markets were Germany (97), France (30), Greece (12).
- Average mass
- 2,346 kg
- Fuel type recorded
- Petrol 100%
European Environment Agency, CO₂ emissions from new passenger cars · averages weighted by registrations; CO₂ is the type-approval value; fuel type as recorded at registration, where many non-plug-in hybrids appear as petrol · re-use permitted with acknowledgement
In New Zealand
13 2010 cars are on the New Zealand register; 54% arrived as used imports, 46% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Fuel consumption
Official Canadian test results for 4 variants: combined 14.8–23.5 L/100 km (about 10–16 mpg US), CO₂ 340–382 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| H3 4WD · Sport utility vehicle · Regular gasoline | 16.4 | 12.9 | 14.8 |
| H3 4WD · Sport utility vehicle · Regular gasoline | 16.7 | 12.8 | 14.9 |
| H3 4WD · Sport utility vehicle · Regular gasoline | 18.3 | 14.5 | 16.6 |
| H3 4WD · Sport utility vehicle · E85 ethanol | 26.5 | 19.9 | 23.5 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
2 Transport Canada recalls for the 2010 Hummer H3.
| 2015286 26 Jun 2015 | Heater And Defroster On certain vehicles, the connector module that controls the blower motor speed in the heat/vent/air conditioning (HVAC) system could overheat under extended per… |
| 2010140 29 Apr 2010 | Accessories On certain vehicles, the integral clip-tabs on the hood louver may fracture, which could allow the hood louver to lose its retention mechanism. As the clip-tab… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
General Motors LLC (GM) is recalling certain model year 2006-2010 Hummer H3 vehicles manufactured February 5, 2005, to May 24, 2010, and 2009-2010 Hummer H3T vehicles manufactured May 21, 2008, to May 24, 2010. In the affected vehicles, the connector module that controls the blower motor speed for the heating, ventilation and air conditioning system may overheat.
GM IS RECALLING CERTAIN MODEL YEAR 2006 THROUGH 2010 HUMMER H3 VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH THE INTEGRAL CLIP-TABS ON THE LOUVER ON THE HOOD MAY FRACTURE, CAUSING THE HOOD LOUVER RATTLE AGAINST THE HOOD AND BECOME LOOSE. IF THIS INDICATOR IS UNNOTICED, ADDITIONAL CLIPS COULD FRACTURE AND THE HOOD LOUVER COULD DETACH FROM THE VEHICLE.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Hummer told its dealers about the 2010 Hummer H3: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 631244 | GENERAL MOTORS VEHICLES AND TRUCKS: SUBJECT REGARDING, 2002 AND PRIOR PASSENGER CARS AND TRUCKS, CHEMICAL DAMAGE TO EXTERIOR POLYCARBONATE HEADLAMP LENSES. *SLC UPDATED *EH UPDATED 3/30/11. HEADLAMP LENS OVERHEATING WHEN COVERED AND CHEMICAL DAMAGE TO EXTERIOR POLYCARBONATE HEADLAMP LENSES. CAN CAUSE CRAZING OR CRACKING OF HEADLAMP LENS. *PE UPDATED 6/24/11. *PE UPDATED 5/14/12. INCLUDING 2013 MODEL YEAR. *PE |
| 11011805 | This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when repairing wiring harnesses. |
| 11011782 | This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel. |
| 11011444 | This Preliminary information communicates to the dealer a process for accessing the procedure to add attachments to a GM technical assistance case using the dealer case management tool. |
| 11011205 | This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules. |
| 11010545 | This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S). |
| 11010491 | This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. |
| 11010490 | This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. |
| 11009532 | This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. |
| 11009531 | This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. |
| 11009156 | This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update. |
| 11009088 | This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped. |
| 11008956 | This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only). |
| 11008906 | This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. |
| 11007936 | This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. |
| 11007935 | This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. |
| 11007744 | This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature. |
| 11007743 | This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature. |
| 11007208 | This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection. |
| 11007196 | This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies. |
| 11007116 | This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. |
| 11007115 | This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. |
| 11007095 | This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. |
| 11007091 | This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. |
| 11006682 | This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern. |
NHTSA manufacturer communications (public domain)