Ford F-150 2021 — technical service bulletin
Bulletin OTA SU2 P4 F150 · NHTSA communication 10210939 · issued Apr 29, 2022
Technical service bulletin
communication type
Equipment
component
2021
model years
1
vehicle entries
Official summary
Software Update 2 (SU2) Phase 4 for 2021 Model Year F-150 vehicles is now available. Involves: Fix for IPC reboot when receiving phone calls (22-2129). Fix for loud or off tempo turn signal "tick" sound. Fix for Trailer-Back-Up assist not functioning on some vehicles.
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.