2003 Hummer H2 problems by component
141 owner complaints filed with NHTSA for the 2003 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 |
|---|---|---|---|
| Visibility → | 45 | 32% | 61,000 mi |
| Electrical System → | 24 | 17% | 55,894 mi |
| Steering → | 17 | 12% | 50,570 mi |
| Structure → | 13 | 9% | 40,036 mi |
| Power Train → | 11 | 8% | — |
| Service Brakes → | 11 | 8% | 90,500 mi |
| Suspension → | 11 | 8% | — |
| Service Brakes, Hydraulic | 7 | 5% | — |
| Visibility/wiper | 7 | 5% | — |
| Engine and Engine Cooling | 5 | 4% | — |
| Seats | 5 | 4% | — |
| Wheels | 5 | 4% | — |
| Engine | 4 | 3% | — |
| Vehicle Speed Control | 3 | 2% | — |
| Seat Belts | 2 | 1% | — |
| Air Bags | 1 | 1% | — |
| Exterior Lighting | 1 | 1% | — |
| Fuel/propulsion System | 1 | 1% | — |
| Fuel System, Gasoline | 1 | 1% | — |
| Parking Brake | 1 | 1% | — |
| Tires | 1 | 1% | — |
| Traction Control System | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.