2012 Hyundai Sonata engine and engine cooling problems
11 owner complaints filed with NHTSA name the engine and engine cooling on the 2012 Hyundai Sonata — 1% of all complaints for this model year.
What owners report
“The contact owns a 2012 Hyundai Sonata. The contact stated that the vehicle was experiencing excessive oil consumption, which required the oil reservoir to be refilled after 3-4 weeks. Additionally, there was no warning light illuminated. The contact stated that upon taking the vehicle to Jiffy…”
filed Dec 29, 2025
“The contact owned a 2012 Hyundai Sonata. The contact stated that various functions on the steering wheel including the horn, cruise control, and other electrical functions; all failed to operate as needed. The vehicle was taken to an independent mechanic where the contact was informed that a…”
filed Nov 26, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine and Engine Cooling problems in other Sonata years
| Year | Reports | Share |
|---|---|---|
| 2023 Sonata | 2 | 2% |
| 2021 Sonata | 1 | 1% |
| 2019 Sonata | 7 | 4% |
| 2018 Sonata | 14 | 4% |
| 2017 Sonata | 18 | 2% |
| 2016 Sonata | 16 | 2% |
| 2015 Sonata | 21 | 2% |
| 2014 Sonata | 21 | 3% |
| 2013 Sonata | 40 | 2% |
| 2011 Sonata | 45 | 1% |
| 2009 Sonata | 6 | 1% |
| 2008 Sonata | 2 | 0% |
Other reported problem areas on the 2012 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.