Ford Bronco 2021–2022 — technical service bulletin
Bulletin 24N12 S2 · NHTSA communication 11030911 · issued Mar 31, 2026
Technical service bulletin
communication type
Engine
component
2021–2022
model years
12
vehicle entries
Official summary
Certain 2021 - 2022 Model Year Various Vehicles Engine Valve Inspection Test This submission includes : Technical Instructions Updated wording and description with additional photo.
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.