2009 Hummer H3 problems by component
69 owner complaints filed with NHTSA for the 2009 Hummer H3, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Electrical System → | 34 | 49% | 76,900 mi |
| Engine | 9 | 13% | — |
| Air Bags | 8 | 12% | — |
| Structure | 8 | 12% | — |
| Visibility | 7 | 10% | — |
| Visibility/wiper | 5 | 7% | — |
| Electronic Stability Control (esc) | 4 | 6% | — |
| Power Train | 2 | 3% | — |
| Service Brakes, Hydraulic | 2 | 3% | — |
| Suspension | 2 | 3% | — |
| Engine and Engine Cooling | 1 | 1% | — |
| Fuel/propulsion System | 1 | 1% | — |
| Fuel System, Gasoline | 1 | 1% | — |
| Seat Belts | 1 | 1% | — |
| Seats | 1 | 1% | — |
| Service Brakes, Electric | 1 | 1% | — |
| Steering | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.