Hyundai Kona Electric 2019–2021 — technical service bulletin
Bulletin 21-01-008H · NHTSA communication 10188243 · issued Feb 8, 2021
Technical service bulletin
communication type
Electrical System
component
2019–2021
model years
3
vehicle entries
Official summary
This bulletin provides information related to inspection of KONA Electric (OS EV) vehicles and to perform a BMS (Battery Management System) software update to latest revised level.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.