1999 Toyota Sienna problems by component
215 owner complaints filed with NHTSA for the 1999 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 |
|---|---|---|---|
| Engine and Engine Cooling → | 39 | 18% | 79,000 mi |
| Structure → | 36 | 17% | 95,500 mi |
| Tires → | 28 | 13% | — |
| Steering → | 21 | 10% | — |
| Latches/locks/linkages → | 19 | 9% | — |
| Service Brakes, Hydraulic → | 14 | 7% | — |
| Suspension → | 14 | 7% | — |
| Power Train → | 11 | 5% | — |
| Electrical System → | 10 | 5% | — |
| Air Bags | 7 | 3% | — |
| Seat Belts | 6 | 3% | — |
| Fuel System, Gasoline | 5 | 2% | — |
| Vehicle Speed Control | 5 | 2% | — |
| Visibility | 5 | 2% | — |
| Child Seat | 2 | 1% | — |
| Exterior Lighting | 2 | 1% | — |
| Seats | 2 | 1% | — |
| Wheels | 2 | 1% | — |
| Equipment | 1 | 0% | — |
| Fuel System, Other | 1 | 0% | — |
| Service Brakes, Air | 1 | 0% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.