2019 Hyundai Sonata Plug-In Hybrid Electrical system Problems
- Complaints
- 2about this part
- Share
- 40%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 2 complaints about the electrical system of the 2019 Hyundai Sonata Plug-In Hybrid, 40% 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 high voltage battery will no longer charge neither from being plugged in to the charger on the wall nor from the buikt in system onboard the car. There are warning lights saying the inverter coolant is low but the reservoir is at the proper level. I suspect the coolant for the Hybrid charging inverter is bad and crystalizes causing blockages in the inverter coolant system. My car refuses to charge for the last 2 years. After a few seconds (about 7-10) the car shuts off the charging system when plugged in. …”
NHTSA complaint #11752871, filed 2026-07“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. …”
NHTSA complaint #11492604, filed 2022-11Related service bulletins
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- 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…
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- 10172227Feb 20, 2020If you are servicing an applicable vehicle with a âCheck Engineâ light on and one or more of the DTC listed below, follow the repair procedure and replace the related…
- 10170883Jan 16, 2020This bulletin provides guidelines to inspect the USB, head unit, and multi-box for common connection conditions. 2. This bulletin presents guidelines to inspect for common…
Electrical system: other model years
Other parts of the 2019 Hyundai Sonata Plug-In Hybrid
3 complaintsTransmission and drivetrain
2 complaintsEngine
1 complaintsOther or unknown
1 complaints
← All problems reported for the 2019 Hyundai Sonata Plug-In 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