Ford Bronco 2021–2022 — technical service bulletin
Bulletin 24N12 · NHTSA communication 11020078 · issued Jun 19, 2025
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
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.