2015 Hyundai Sonata vehicle speed control problems
61 owner complaints filed with NHTSA name the vehicle speed control on the 2015 Hyundai Sonata — 5% of all complaints for this model year.
What owners report
“The engine light started to come on and go off and when I got the codes ran, it said something along the line of misfire. I had the spark plugs changed and I kept regular maintenance done on oil changes and tune ups. Now my engine is knocking and the vehicle is in limp mode.”
filed Sep 22, 2025
“My 2015 Hyundai Sonata has demonstrated multiple instances of unintended acceleration and braking failure: April 20, 2024 – While idling in a drive-thru line, the vehicle suddenly lurched forward without any attempt to accelerate and crashed into the vehicle in front of me. I was unable to stop it…”
filed May 12, 2025
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% |
| 2014 Sonata | 22 | 3% |
| 2013 Sonata | 86 | 5% |
| 2012 Sonata | 84 | 5% |
Other reported problem areas on the 2015 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.