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B1600 on the 2026 Ford F-150

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name B1600
SSM 544922026-01-21. Service bulletin. Some 2021-2026 F-150 vehicles may exhibit an inoperative USB media hub with diagnostic trouble code (DTC) B1600:11 stored in the accessory protocol interface module (APIM). Workshop Manual (WSM), Section 415-00 - Information and Entertainment System > Diagnosis and Testing > pinpoint test "A USB (Universal Serial Bus) Input Concern" has been updated to improve diagnostics for this condition.

1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.