Electrical system: software
Risk. A turn signal that activates in the opposite direction of what was intended by the driver increases the risk of a crash.
NHTSA has logged 32 owner complaints about the 2017 Hyundai Sonata Plug-in Hybrid, most often about the engine. It is covered by 2 safety recalls, and for recall 21V-749 the manufacturer reports only 53% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through May 11, 2026. Updated daily.
32 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 17 | 0 |
| Electrical system | 11 | 0 |
| Fuel/propulsion system | 6 | 0 |
| Power train | 4 | 0 |
| Vehicle speed control | 2 | 0 |
| Forward collision avoidance | 1 | 0 |
| Service brakes | 1 | 0 |
| Steering | 1 | 0 |
| Electronic stability control (ESC) | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. A turn signal that activates in the opposite direction of what was intended by the driver increases the risk of a crash.
Risk. If the VPD activates while the vehicle is being operated in Electric Vehicle (EV) mode, there may be a loss of power, increasing the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Hyundai.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Sonata Plug-in Hybrid median. How we score
Federal investigations that included the 2017 Hyundai Sonata Plug-in Hybrid, and the recalls they led to.
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
I am reporting a serious safety issue involving a 2017 Hyundai Sonata Plug-in Hybrid (VIN: [XXX] ), originally purchased in California. While driving at approximately 70 mph on a highway, the vehicle suddenly lost all propulsion without warning and rapidly decelerated. This created a dangerous…
To the National Highway Traffic Safety Administration, I am filing this formal safety complaint regarding a dangerous engine failure incident involving my 2017 Hyundai Sonata Plug-in Hybrid. Description of Incident: While traveling on CA-85 near Mountain View, California, at approximately 65 miles…
While driving at a high rate of speed propulsion to the vehicle suddenly and without warning ceased, the electric and internal combustion engine were non-responsive (ICE stopped; hybrid motor didn't provide propulsion), the warning light said "Check Hybrid System. Turn off engine" I was put at risk…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.