Ford F-150 2021–2023 — technical service bulletin
Bulletin SSM 51950 · NHTSA communication 10243654 · issued Sep 28, 2023
Technical service bulletin
communication type
Power Train
component
2021–2023
model years
3
vehicle entries
Official summary
Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated powertrain malfunction (wrench) lamp with diagnostic trouble code (DTC) P084B stored in the powertrain control module (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.