2009 Hyundai Sonata vehicle speed control problems
31 owner complaints filed with NHTSA name the vehicle speed control on the 2009 Hyundai Sonata — 7% of all complaints for this model year.
What owners report
“Passenger seat belt doesn’t click in. Miss fire Poor acceleration Exhaust leak Power lost Mechanic can’t find the problem Check engine light on”
filed Feb 3, 2026
“Once the car gets slowed down and reaches 20 mph of speed by applying the brake or not. It gives a sudden jerk, which causes immediate reduction in speed.”
filed Jan 28, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Vehicle Speed Control problems in other Sonata years
| Year | Reports | Share |
|---|---|---|
| 2024 Sonata | 6 | 14% |
| 2023 Sonata | 4 | 5% |
| 2022 Sonata | 9 | 10% |
| 2021 Sonata | 2 | 2% |
| 2020 Sonata | 7 | 4% |
| 2019 Sonata | 3 | 2% |
| 2018 Sonata | 19 | 5% |
| 2017 Sonata | 20 | 3% |
| 2016 Sonata | 30 | 4% |
| 2015 Sonata | 61 | 5% |
| 2014 Sonata | 22 | 3% |
| 2013 Sonata | 86 | 5% |
Other reported problem areas on the 2009 Hyundai Sonata
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.