2019 Hyundai Sonata Hybrid Engine Problems
- Complaints
- 3about this part
- Share
- 60%of 5 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2019 Hyundai Sonata Hybrid, 60% of the 5 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The primary failure is in the Engine/Powertrain system and Knock Sensor Detection System (KSDS), causing 6 identical sudden engine stalls (OBD-II code P1326) from 09/2000 to 06/2026. Additionally, severe excessive oil consumption was documented during 2 of these diagnostic visits, showing deep-seated engine issues. The vehicle and all records are available for inspection at the Hyundai dealer. Safety was severely threatened on 6 occasions. The vehicle abruptly stalled at 60+ mph in active highway traffic, forcing an immediate engine shutdown. …”
NHTSA complaint #11750679, filed 2026-07“Purchased 2019 after 44,000 miles engine was replaced metal in engine and inverter coolant issue July 2025 117,000 my inverter coolant light came in and off several times then car through all warning lights hev check engine warning shut it down went into limp mode Towed to dealership they checked and cleared codes said it threw 13 codes but after clearing they stated nothing wrong with it As they went to pull car around it happened again this time code was knock sensor which they relaxed at no charge extended warranty They next day after picking up while at idle hev warning went in shut car…”
NHTSA complaint #11674772, filed 2025-07Related service bulletins
- 11038458Oct 8, 2026Some vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. This bulletin outlines the combustion chamber cleaning procedure…
- 11038456Oct 7, 2026Certain vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. This bulletin provides the inspection and repair procedures…
- 11006829Aug 19, 2024Hyundai 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…
- 10165455Aug 12, 2019If you are servicing an applicable vehicle with a ?Check Engine? light on and one or more of the DTC listed below, follow the repair procedure and replace the related solenoid…
- 10160102Apr 19, 2019This bulletin provides additional service diagnostic information and repair procedures related to electric A/C compressors equipped in hybrid electric vehicles, plug-in hybrid…
- 10160095Apr 9, 2019If you are servicing a Sonata Hybrid with the symptoms and DTC listed below, follow the Service Procedure on Page 2.
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 1 | 11% |
| 2023 | 7 | 47% |
| 2022 | 2 | 11% |
| 2021 | 21 | 38% |
| 2020 | 8 | 50% |
| 2019 | 3 | 60% |
| 2018 | 5 | 56% |
| 2017 | 46 | 57% |
| 2016 | 73 | 55% |
| 2015 | 19 | 35% |
| 2014 | 12 | 43% |
| 2013 | 40 | 37% |
| 2012 | 68 | 44% |
| 2011 | 40 | 42% |
Other parts of the 2019 Hyundai Sonata Hybrid
2 complaintsFuel system
2 complaintsTransmission and drivetrain
2 complaintsAir bags
1 complaintsOther or unknown
1 complaints
← All problems reported for the 2019 Hyundai Sonata Hybrid
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology