Ford F-150 2021–2023 — technical service bulletin
Bulletin TSB 23-2276 · NHTSA communication 10242850 · issued Sep 20, 2023
Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
3
vehicle entries
Official summary
Some 2021-2023 F-150 vehicles equipped with a 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 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, review the build information by double-clicking the vehicle identification number (VIN) in the upper left corner in the Professional Technician System (PTS). To correct this
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.