Ford Bronco 2021–2022 — technical service bulletin
Bulletin HVAC-22.AA.AC Bronco · NHTSA communication 11032713 · issued May 8, 2026
Technical service bulletin
communication type
Engine
component
2021–2022
model years
2
vehicle entries
Official summary
Quality improvements include: - Optimizes cabin ventilation strategy at high speeds
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.