Ford Bronco 2021 — technical service bulletin
Bulletin OTA SU1-Bronco · NHTSA communication 10200902 · issued Aug 12, 2021
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
Software Update 1 (SU1) for 2021 Model Year Bronco vehicles is now available. Involves: Zone Lighting Battery Drain, Remote Start Battery Drain, Contrast improvements to analog rear view camera
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.