2012 Toyota Sienna problems by component
247 owner complaints filed with NHTSA for the 2012 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 |
|---|---|---|---|
| Air Bags → | 84 | 34% | 58,200 mi |
| Structure → | 72 | 29% | 58,409 mi |
| Electrical System → | 27 | 11% | 54,875 mi |
| Power Train → | 17 | 7% | 96,500 mi |
| Steering → | 15 | 6% | 54,500 mi |
| Wheels → | 12 | 5% | — |
| Service Brakes → | 11 | 4% | — |
| Vehicle Speed Control → | 11 | 4% | 16,450 mi |
| Engine | 9 | 4% | — |
| Tires | 8 | 3% | — |
| Visibility | 6 | 2% | — |
| Latches/locks/linkages | 5 | 2% | — |
| Fuel/propulsion System | 4 | 2% | — |
| Electronic Stability Control (esc) | 3 | 1% | — |
| Exterior Lighting | 3 | 1% | — |
| Seat Belts | 3 | 1% | — |
| Seats | 3 | 1% | — |
| Suspension | 3 | 1% | — |
| Fuel System, Gasoline | 2 | 1% | — |
| Visibility/wiper | 2 | 1% | — |
| Back Over Prevention | 1 | 0% | — |
| Engine and Engine Cooling | 1 | 0% | — |
| Equipment | 1 | 0% | — |
| Equipment Adaptive/mobility | 1 | 0% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.