2003 GMC Sierra 1500 problems by component
180 owner complaints filed with NHTSA for the 2003 GMC Sierra 1500, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Service Brakes → | 55 | 31% | 89,863 mi |
| Service Brakes, Hydraulic → | 50 | 28% | 63,988 mi |
| Electrical System → | 43 | 24% | 72,151 mi |
| Steering → | 15 | 8% | 40,000 mi |
| Air Bags | 7 | 4% | — |
| Power Train | 6 | 3% | — |
| Fuel System, Gasoline | 5 | 3% | — |
| Structure | 4 | 2% | — |
| Visibility | 4 | 2% | — |
| Engine | 3 | 2% | — |
| Engine and Engine Cooling | 3 | 2% | — |
| Exterior Lighting | 2 | 1% | — |
| Fuel/propulsion System | 2 | 1% | — |
| Parking Brake | 2 | 1% | — |
| Seat Belts | 2 | 1% | — |
| Suspension | 2 | 1% | — |
| Tires | 1 | 1% | — |
| Vehicle Speed Control | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.