2003 Toyota Prius problems by component
99 owner complaints filed with NHTSA for the 2003 Toyota Prius, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Steering → | 39 | 39% | 85,000 mi |
| Electrical System → | 13 | 13% | — |
| Engine and Engine Cooling → | 11 | 11% | — |
| Tires → | 11 | 11% | — |
| Service Brakes, Hydraulic | 8 | 8% | — |
| Power Train | 5 | 5% | — |
| Service Brakes | 5 | 5% | — |
| Vehicle Speed Control | 5 | 5% | — |
| Service Brakes, Electric | 3 | 3% | — |
| Electronic Stability Control (esc) | 2 | 2% | — |
| Equipment | 2 | 2% | — |
| Equipment Adaptive/mobility | 2 | 2% | — |
| Fuel System, Other | 2 | 2% | — |
| Suspension | 2 | 2% | — |
| Air Bags | 1 | 1% | — |
| Exterior Lighting | 1 | 1% | — |
| Fuel/propulsion System | 1 | 1% | — |
| Fuel System, Gasoline | 1 | 1% | — |
| Seat Belts | 1 | 1% | — |
| Structure | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.