Hyundai Kona 2022 — technical service bulletin
Bulletin 21-01-044H · NHTSA communication 10199096 · issued Jun 7, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022
model years
1
vehicle entries
Official summary
This bulletin provides information related to the ECU (Engine Control Unit) software update for KONA (OS) 2.0L vehicles. This update revises the logic of idle fuel adaptive range to prevent idle combustion instability.
Vehicles covered
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.