2021 Hyundai Ioniq Plug-In Hybrid Electrical system Problems
- Complaints
- 2about this part
- Share
- 40%of 5 total for the year
- Median mileage
- 3,400miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2021 Hyundai Ioniq Plug-In Hybrid, 40% of the 5 complaints for this model year. Where a mileage was given, the median is 3,400 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.
“The contact leased a 2021 Hyundai Ioniq Electric The contact stated that while the vehicle was parked, he attempted to open the driver’s side door using the key fob; however, the door would not open. The contact contacted Hyundai roadside assistance who assisted him in jumpstarting and recharging the batteries. The contact was still able to drive the vehicle. The contact stated that a couple of days later, the vehicle failed to start after several attempts. …”
NHTSA complaint #11453602, filed 2022-02, 3,400 miles“Auto Hold/EPB lights come one while driving. Deactivates cruise control of on. Turns off auto hold. Ongoing issue with many reports but no recall or dealership knowledge. Ongoing issue since purchase.”
NHTSA complaint #11677617, filed 2025-07Related service bulletins
- 11023692Sep 30, 2025This bulletin provides information related to the changes introduced in the 2025 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model…
- 11018876May 16, 2025This bulletin provides information related to the changes introduced in the 2024 2nd Navigation Map and Software Update. The changes may vary depending on vehicle type, model…
- 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…
- 10252364Mar 12, 2024This bulletin provides the procedure to update the ECU software on certain 2021-2022MY IONIQ Plug-in Hybrid (AE PHEV) vehicles that may exhibit a warning light with DTC U1341 due…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 2 | 40% |
| 2019 | 5 | 45% |
Other parts of the 2021 Hyundai Ioniq Plug-In Hybrid
2 complaintsForward collision avoidance
2 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2021 Hyundai Ioniq 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