2004 Hummer H2 problems by component
59 owner complaints filed with NHTSA for the 2004 Hummer H2, 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 → | 14 | 24% | 98,720 mi |
| Visibility → | 10 | 17% | — |
| Service Brakes | 8 | 14% | — |
| Service Brakes, Hydraulic | 6 | 10% | — |
| Steering | 6 | 10% | — |
| Air Bags | 3 | 5% | — |
| Structure | 3 | 5% | — |
| Suspension | 3 | 5% | — |
| Visibility/wiper | 3 | 5% | — |
| Electronic Stability Control (esc) | 2 | 3% | — |
| Engine | 2 | 3% | — |
| Power Train | 2 | 3% | — |
| Engine and Engine Cooling | 1 | 2% | — |
| Equipment | 1 | 2% | — |
| Exterior Lighting | 1 | 2% | — |
| Latches/locks/linkages | 1 | 2% | — |
| Seat Belts | 1 | 2% | — |
| Seats | 1 | 2% | — |
| Tires | 1 | 2% | — |
| Vehicle Speed Control | 1 | 2% | — |
| Wheels | 1 | 2% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.