Hyundai Kona Os Ev recall: Some vehicles fitted with a high voltage battery may have internal cell voltage deviation
- What's wrong
- Some vehicles fitted with a high voltage battery may have internal cell voltage deviation. If this occurs it may result in the risk of an electrical short circuit inside the battery. Until the high voltage battery software has been updated we recommend the vehicle to…
- What to do
- Contact a Hyundai dealer to book the free repair. Hyundai has launched a Safety Recall to update the battery management system (BMS) software.
What’s wrong
Some vehicles fitted with a high voltage battery may have internal cell voltage deviation. If this occurs it may result in the risk of an electrical short circuit inside the battery. Until the high voltage battery software has been updated we recommend the vehicle to be parked in a well ventilated area. The vehicle can be used as normal.
The fix
Hyundai has launched a Safety Recall to update the battery management system (BMS) software.
Vehicles affected
| Model | Built from | Built to | Vehicles |
|---|---|---|---|
| Kona Os Ev | 24 Jan 2018 | 15 Jul 2023 | 25,056 |
How to check your vehicle
Use the official DVSA checker with your registration number to see if your exact vehicle is included. If it is, the manufacturer should have written to the registered keeper. The repair is free, even if you bought the vehicle second-hand.
Updated 4 May 2026. This page summarises an official notice. Details can change – always follow the official notice.