Ford Bronco 2021 — technical service bulletin
Bulletin OTA SU2 P1-9 Bro · NHTSA communication 10208358 · issued Feb 28, 2022
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
Software Update 2 (SU2) Phases 1, 2 and 9 for 2021 Model Year Bronco vehicles is now available. Involves: Fix for availability of subscription services, UEGO fix, addresses 2.3L engine missfires, addresses hesitation durring upshifts, improved shift quality, and prevents "no key detected" message when the door modules are sensing low voltage.
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.