Total Complaints
6 filings
HYUNDAI SONATA PLUG-IN HYBRID · model year
6 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2019HYUNDAISONATA PLUG-IN HYBRID carries 6 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2019 SONATA PLUG-IN HYBRID is fuel/propulsion system with 2 filings, followed by unknown or other (1) and electrical system (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 37 investigation files overlapping the 2019 SONATA PLUG-IN HYBRID, and 1 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
6 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| FUEL/PROPULSION SYSTEM | 2 |
| UNKNOWN OR OTHER | 1 |
| ELECTRICAL SYSTEM | 1 |
| ENGINE | 1 |
| POWER TRAIN | 1 |
While driving the car it suddenly decelerated and multiple warning errors on electronics, driver assist, braking started going off then the error message of Check Hybrid Turn Engine Off came on. I was able to coast into a parking lot as the car could only go around 5 miles an hour. I turned the care off and on and the Check Hybrid Turn Engine Off remained for the 2 hours it took to have a tow truck come to take the car to a dealer. The car has 16,383 miles and prior to this there was no warning or error messages. The dealer hasn't reviewed the car yet, but the fact that it immediately, with no warning, decelerated and would go only 5 miles an hour is very risky and unsafe.
I was traveling on a highway when a "hybrid system warning" suddenly appeared on the dashboard. Every dashboard warning light illuminated. The car began to lose power. I exited the highway immediately and the car began to have sporadic power and was "lurching." I immediately pulled onto the shoulder and at that time another warning on the dash appeared within a minute or two of the first warning that said "shut engine off." The computer screen began to flash on and of and the windows would not roll up smoothly. When the tow truck arrived the car wouldn't start and it didn't recognize the key fob. Hyundai now has the vehicle and claims the car needed a "software update", but they cannot tell me if it will ever happen again and cannot tell me why the car goes into critical failure when it needs a mere software update. This is the second time this has happened. The first time it was repaired under a voluntary recall campaign about a year ago. This is an extremely dangerous occurre
I was traveling on a highway when a "hybrid system warning" suddenly appeared on the dashboard. Every dashboard warning light illuminated. The car began to lose power. I exited the highway immediately and the car began to have sporadic power and was "lurching." I immediately pulled onto the shoulder and at that time another warning on the dash appeared within a minute or two of the first warning that said "shut engine off." The computer screen began to flash on and of and the windows would not roll up smoothly. When the tow truck arrived the car wouldn't start and it didn't recognize the key fob. Hyundai now has the vehicle and claims the car needed a "software update", but they cannot tell me if it will ever happen again and cannot tell me why the car goes into critical failure when it needs a mere software update. This is the second time this has happened. The first time it was repaired under a voluntary recall campaign about a year ago. This is an extremely dangerous occurre
I was traveling on a highway when a "hybrid system warning" suddenly appeared on the dashboard. Every dashboard warning light illuminated. The car began to lose power. I exited the highway immediately and the car began to have sporadic power and was "lurching." I immediately pulled onto the shoulder and at that time another warning on the dash appeared within a minute or two of the first warning that said "shut engine off." The computer screen began to flash on and of and the windows would not roll up smoothly. When the tow truck arrived the car wouldn't start and it didn't recognize the key fob. Hyundai now has the vehicle and claims the car needed a "software update", but they cannot tell me if it will ever happen again and cannot tell me why the car goes into critical failure when it needs a mere software update. This is the second time this has happened. The first time it was repaired under a voluntary recall campaign about a year ago. This is an extremely dangerous occurre
THE MESSAGE "HYBRID SYSTEM FAILURE" SUDDENLY DISPLAYED AND THE VEHICLE LOST POWER AND STALLED. THIS OCCURED ON HYW (65MPH) AND NEARLY CAUSED WRECK FROM BEHIND
Mileage: 24,922
THE TOUCH SCREEN RADIO IS INEFFECTIVE WHEN TUNING TO SIRIUSXM. IT JUST SITS ON UPDATING AND NOTHING ELSE YOU PRESS WORKS. I HAVE HAD MULTIPLE MECHANICS LOOK AT IT, PULLED FUSES, RESETS AND NOTHING FIXES THE ISSUE. FROM RESEARCH ONLINE IT APPEARS THIS HAS BEEN AN ONGOING ISSUE FOR YEARS WITH HYUNDAI TOUCH SCREENS. THEY SAY THERE'S NOTHING THEY CAN DO, BUT I LITERALLY JUST BOUGHT THE CAR.
Mileage: 56
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.