2012 Hyundai Sonata Hybrid electrical system problems
23 owner complaints filed with NHTSA name the electrical system on the 2012 Hyundai Sonata Hybrid — 15% of all complaints for this model year.
What owners report
“2012 Hyundai Sonata Hybrid well maintained by original owner, under 130,000 miles. May of 2025 AC stopped working intermittently (Hyundai dealer replaced AC hose). Aug 2025 AC stopped working AGAIN (same dealer could NOT identify problem). Car has consistent Hybrid System Warning! Safely Stop and…”
filed Jun 16, 2026
“While driving the car on the freeway, it will jerk forward and then shortly after lose power. The car shows the battery as being barely charged. I pull over (luckily haven't been killed yet) on the side of the freeway. Let the car sit for a few minutes, restart it and the battery is half full and…”
filed Jul 14, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Sonata Hybrid years
| Year | Reports | Share |
|---|---|---|
| 2022 Sonata Hybrid | 11 | 58% |
| 2021 Sonata Hybrid | 25 | 47% |
| 2017 Sonata Hybrid | 18 | 23% |
| 2016 Sonata Hybrid | 34 | 26% |
| 2015 Sonata Hybrid | 23 | 45% |
| 2014 Sonata Hybrid | 10 | 37% |
| 2013 Sonata Hybrid | 24 | 23% |
| 2011 Sonata Hybrid | 17 | 18% |
Other reported problem areas on the 2012 Hyundai Sonata Hybrid
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.