2009 Hyundai Sonata electrical system problems
61 owner complaints filed with NHTSA name the electrical system on the 2009 Hyundai Sonata — 13% 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
“Brakes seize up while driving and then cannot move the vehicle. This causes a dangerous situation while driving and then breaks lock up and cannot move car even though vehicle is on and then stopped for a stop light. Car must then be turned off and sit for about 30 minutes so it can unseize and…”
filed Jan 6, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Sonata years
| Year | Reports | Share |
|---|---|---|
| 2024 Sonata | 18 | 39% |
| 2023 Sonata | 12 | 14% |
| 2022 Sonata | 15 | 16% |
| 2021 Sonata | 17 | 13% |
| 2020 Sonata | 40 | 22% |
| 2019 Sonata | 12 | 7% |
| 2018 Sonata | 60 | 16% |
| 2017 Sonata | 65 | 9% |
| 2016 Sonata | 89 | 12% |
| 2015 Sonata | 167 | 15% |
| 2014 Sonata | 135 | 18% |
| 2013 Sonata | 260 | 14% |
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.