2012 Hyundai Sonata Hybrid engine problems
67 owner complaints filed with NHTSA name the engine on the 2012 Hyundai Sonata Hybrid — 44% of all complaints for this model year.
What owners report
“The contact owned a 2012 Hyundai Sonata. The contact stated that while driving at 75 MPH on the highway, while depressing the accelerator pedal, the vehicle failed to accelerate. No warning lights illuminated. The contact veered over to the right side of the road, turned the vehicle off, and she…”
filed Sep 4, 2025
“The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power and the low battery warning light illuminated. In addition, the contact heard a rattling sound coming from the engine before the engine seized. The vehicle was…”
filed May 14, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Connecting rod bearings inside the engine may wear prematurely, which over time can…Campaign 20V746000 · Dec 1, 2020
Related service bulletins
This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H-2 (DTC P1326 – Engine Bearing Inspection/Engine Replacement) or the…
26-01-033H TSB · Warranty Program/Extension · issued Mar 26, 2026This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H (DTC P1326 – Engine Bearing Inspection/Engine Replacement) or the latest…
26-01-033H DN · Warranty Program/Extension · issued Mar 26, 2026Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction…
24-01-068H · Service Campaign · issued Aug 19, 2024
Engine problems in other Sonata Hybrid years
| Year | Reports | Share |
|---|---|---|
| 2022 Sonata Hybrid | 2 | 11% |
| 2021 Sonata Hybrid | 21 | 40% |
| 2017 Sonata Hybrid | 45 | 57% |
| 2016 Sonata Hybrid | 72 | 55% |
| 2015 Sonata Hybrid | 17 | 33% |
| 2014 Sonata Hybrid | 11 | 41% |
| 2013 Sonata Hybrid | 40 | 38% |
| 2011 Sonata Hybrid | 39 | 41% |
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.