2021 Hyundai Kona Electric electrical system problems
10 owner complaints filed with NHTSA name the electrical system on the 2021 Hyundai Kona Electric — 38% of all complaints for this model year.
What owners report
“On February 3, 2026, while driving in a high-traffic turning lane, my Hyundai Kona Electric vehicle suddenly lost propulsion and would not accelerate. The vehicle shut down without warning and could not be restarted. Traffic was building behind me, creating a safety hazard. I felt unsafe due to…”
filed Feb 22, 2026
“Hyundia has had my car in for the SAME recall 4 to 5 times . 6 total weeks this time around. The ""refill inverter coolant" light kept coming back on . The last time I got it home it had more issues than when I took it in and wouldn't even catch a charge . (EV) They fried my compassitor trying to…”
filed Jul 19, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Electric Power Control Unit (EPCU) may have been improperly sealed and may leak coolant…Campaign 22V941000 · Dec 16, 2022
Related service bulletins
Certain Kona Electric (OS EV) and Ioniq Electric (AE EV) vehicles are eligible for a Battery Management System (BMS) software update. This update to the BMS software improves the system’s diagnostic capability. Follow…
26-01-065H TSB · Service Campaign · issued Aug 14, 2026
Electrical System problems in other Kona Electric years
| Year | Reports | Share |
|---|---|---|
| 2022 Kona Electric | 15 | 75% |
| 2020 Kona Electric | 17 | 63% |
| 2019 Kona Electric | 42 | 78% |
Other reported problem areas on the 2021 Hyundai Kona Electric
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.