2009 Hyundai Sonata problems by component
460 owner complaints filed with NHTSA for the 2009 Hyundai Sonata, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Service Brakes → | 64 | 14% | 68,000 mi |
| Electrical System → | 61 | 13% | 80,248 mi |
| Engine → | 56 | 12% | 108,650 mi |
| Electronic Stability Control (esc) → | 51 | 11% | 95,000 mi |
| Power Train → | 41 | 9% | 41,250 mi |
| Structure → | 40 | 9% | 72,558 mi |
| Service Brakes, Hydraulic → | 34 | 7% | 27,020 mi |
| Vehicle Speed Control → | 31 | 7% | 55,750 mi |
| Air Bags → | 30 | 7% | 68,000 mi |
| Steering → | 26 | 6% | 90,000 mi |
| Suspension → | 25 | 5% | 58,000 mi |
| Exterior Lighting → | 14 | 3% | 90,962 mi |
| Fuel/propulsion System → | 14 | 3% | 82,000 mi |
| Visibility/wiper → | 11 | 2% | 69,500 mi |
| Fuel System, Gasoline | 9 | 2% | — |
| Seat Belts | 8 | 2% | — |
| Visibility | 8 | 2% | — |
| Engine and Engine Cooling | 6 | 1% | — |
| Equipment | 6 | 1% | — |
| Latches/locks/linkages | 6 | 1% | — |
| Tires | 6 | 1% | — |
| Wheels | 6 | 1% | — |
| Seats | 3 | 1% | — |
| 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%.