July 11, 2023 Service bulletin

Some 2021-2023 F-150 vehicles equipped with a direct current/alternating current converter module A...

Ford technical service bulletin TSB 23-2218 for 2021-2023 Ford F-150.

Bulletin number: TSB 23-2218
Component: Electrical system
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 condition, follow the Service Procedure to confirm if the inverter is the source of RFI and mitigate the interference.

Owners of these vehicles have filed 343 complaints in the electrical category.

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