Ford Bronco 2021 — technical service bulletin
Bulletin PCM-24.11.03 Bronco · NHTSA communication 11030729 · issued Mar 30, 2026
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
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.