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P0401 on the 2007 Ford Ranger

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.

Nobody has written a description of this code yet.

Bulletins for this model year that name P0401
0617112007-02-26. Service bulletin. MIL ON - DTC P0401 MIS-ROUTED VACUUM HARNESS. *KB

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.