2018 Hyundai Sonata Hybrid Electrical system Problems
- Complaints
- 2about this part
- Share
- 22%of 9 total for the year
- Median mileage
- 19,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2018 Hyundai Sonata Hybrid, 22% of the 9 complaints for this model year. Where a mileage was given, the median is 19,000 miles.
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.
“I was driving on the freeway and my car lost all power. My indicator dash board flashed lights and a loud beeping sound. The warning lights flashed to check my hybrid system and turn engine off, HEV. My car immediately lost power and turned off. I was on the freeway, I almost got into an accident, cars were honking at me. My vehicle was towed by my insurance company. I receieved a phone call from the service advisor today, he informed me that I need an electical water pump and the cost quoted to me is $1908.00. When I complained to the advisor he told me that water pumps only last 3-5 years. …”
NHTSA complaint #11564994, filed 2024-01Related service bulletins
- 11018575May 8, 2025Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s…
- 11017111Apr 7, 2025Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon's…
- 11015936Mar 18, 2025Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s…
- 10210206Mar 10, 2022Certain vehicles listed below may experience the Check Engine warning lamp illuminated with DTC P1326 and/or an engine concern/noise related to connecting rod bearing wear or…
- 10210205Mar 8, 2022Hyundai 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…
- 10207803Jan 3, 2022Hyundai 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…
- 10179246Aug 10, 2020Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this…
- 10179244Aug 10, 2020This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
- 10174808Apr 23, 2020This bulletin provides information on identifying dealer stock vehicles with either: ⢠A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. ⢠A 30 Day…
- 10173545Mar 18, 2020This bulletin describes the mandatory procedure to submit battery test data electronically for battery warranty claims by running the GDS Battery Claim App. The App must be run…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 4 | 36% |
| 2024 | 1 | 11% |
| 2023 | 1 | 7% |
| 2022 | 11 | 58% |
| 2021 | 25 | 45% |
| 2020 | 6 | 38% |
| 2019 | 2 | 40% |
| 2018 | 2 | 22% |
| 2017 | 18 | 22% |
| 2016 | 36 | 27% |
| 2015 | 24 | 44% |
| 2014 | 11 | 39% |
| 2013 | 24 | 22% |
| 2012 | 23 | 15% |
| 2011 | 17 | 18% |
Other parts of the 2018 Hyundai Sonata Hybrid
5 complaintsExterior lighting
2 complaintsForward collision avoidance
2 complaintsAir bags
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2018 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