2003 Toyota Sienna problems by component
105 owner complaints filed with NHTSA for the 2003 Toyota Sienna, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Latches/locks/linkages → | 21 | 20% | 40,000 mi |
| Structure → | 18 | 17% | 80,000 mi |
| Service Brakes, Hydraulic → | 12 | 11% | — |
| Vehicle Speed Control → | 11 | 10% | — |
| Power Train → | 10 | 10% | — |
| Tires | 7 | 7% | — |
| Engine and Engine Cooling | 6 | 6% | — |
| Seat Belts | 5 | 5% | — |
| Electrical System | 4 | 4% | — |
| Equipment | 4 | 4% | — |
| Fuel System, Gasoline | 4 | 4% | — |
| Steering | 4 | 4% | — |
| Suspension | 4 | 4% | — |
| Visibility | 4 | 4% | — |
| Air Bags | 2 | 2% | — |
| Child Seat | 1 | 1% | — |
| Electronic Stability Control (esc) | 1 | 1% | — |
| Seats | 1 | 1% | — |
| Service Brakes | 1 | 1% | — |
| Wheels | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.