2004 Toyota Sienna problems by component
2,062 owner complaints filed with NHTSA for the 2004 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 |
|---|---|---|---|
| Structure → | 962 | 47% | 80,000 mi |
| Latches/locks/linkages → | 308 | 15% | 75,000 mi |
| Steering → | 159 | 8% | 81,482 mi |
| Electrical System → | 132 | 6% | 82,000 mi |
| Tires → | 124 | 6% | 19,000 mi |
| Vehicle Speed Control → | 111 | 5% | 69,000 mi |
| Seat Belts → | 98 | 5% | 78,000 mi |
| Power Train → | 89 | 4% | 77,000 mi |
| Electronic Stability Control (esc) → | 68 | 3% | 123,000 mi |
| Service Brakes → | 48 | 2% | 143,339 mi |
| Engine and Engine Cooling → | 46 | 2% | 66,000 mi |
| Service Brakes, Hydraulic → | 39 | 2% | 34,000 mi |
| Fuel System, Gasoline → | 37 | 2% | 10,000 mi |
| Air Bags → | 35 | 2% | 90,000 mi |
| Exterior Lighting → | 34 | 2% | 83,000 mi |
| Equipment → | 30 | 1% | 64,000 mi |
| Wheels → | 22 | 1% | 129,613 mi |
| Visibility → | 21 | 1% | 90,000 mi |
| Seats → | 18 | 1% | 50,000 mi |
| Suspension → | 16 | 1% | 65,000 mi |
| Engine → | 13 | 1% | 125,241 mi |
| Traction Control System → | 12 | 1% | 118,000 mi |
| Interior Lighting | 8 | 0% | — |
| Fuel System, Other | 7 | 0% | — |
| Trailer Hitches | 6 | 0% | — |
| Fuel/propulsion System | 4 | 0% | — |
| Electronic Stability Control | 3 | 0% | — |
| Forward Collision Avoidance | 3 | 0% | — |
| Visibility/wiper | 3 | 0% | — |
| Child Seat | 2 | 0% | — |
| Equipment Adaptive/mobility | 2 | 0% | — |
| Fuel System, Diesel | 1 | 0% | — |
| Service Brakes, Electric | 1 | 0% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.