Ford F-150 2021–2023 — technical service bulletin
Bulletin TSB 24-2122 · NHTSA communication 10254173 · issued Apr 26, 2024
Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
3
vehicle entries
Official summary
This article supersedes TSB 23-2276 to update the Title, Issue Statement, and Action Statement to clarify the vehicle applications. Some 2021-2023 F-150 vehicles equipped with a 2 kilowatt (kW) (not 400 watt (W)) direct current/alternating current converter module A (DCACA) inverter (minor feature code HUKAK) may exhibit an illuminated tire pressure monitoring system (TPMS) indicator with diagnostic trouble code (DTC) B124D:02 stored in the BCM. This may be due to the DCACA inverter causing radio frequency interference (RFI). To confirm a vehicle is built with a certain minor feature code, rev
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.