Ford F-150 2021 — technical service bulletin
Bulletin TSB 24-2257 · NHTSA communication 11007989 · issued Sep 18, 2024
Technical service bulletin
communication type
Engine
component
2021
model years
1
vehicle entries
Official summary
Some 2021 F-150 vehicles equipped with 3.5L PowerBoost engine and built on or before 30-Sep-2021 may experience a reduced engine power condition with an illuminated MIL and DTC P0299, P0301, P0302 and/or P0303 stored in the PCM.
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.