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P0128 on the 2013 Ford Expedition

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 P0128
ASI-443872014-04-04. Service bulletin. FORD: DUE TO MALFUNCTION INDICATOR LIGHT (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) P0128, ON SOME TRUCKS, MAY LEAD TO THERMOSTAT REPLACEMENT, IF DIAGNOSTIC IS NORMAL, USING NEW RUBBER COATED THERMOSTAT PART 7L3Z-8575-D. MODEL 2012-2014 EXPEDITION, NAVIGATOR. *PE

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.