Hyundai IONIQ Hybrid 2022–2026 — technical service bulletin
Bulletin 21-01-076H · NHTSA communication 10206360 · issued Dec 22, 2021
Technical service bulletin
communication type
Fuel System, Gasoline
component
2022–2026
model years
3
vehicle entries
Official summary
This bulletin describes the procedure to inspect and if necessary, replace the fuel cap to ensure a positive audible click sound can be heard when tightening the cap.
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.