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P0128 on the 2010 Kia Soul

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
TSB-0712010-10-02. Service bulletin. KIA: DTC P0128 AND THERMOSTAT INSPECTION AND/OR REPLACEMENT. SOME VEHICLES MAY EXHIBIT THE MIL (MALFUNCTION INDICATOR LAMP) ILLUMINATION WITH DTC P0128 STORED IN MEMORY. DURING THIS TIME PERIOD MANUFACTURING EQUIPMENT MAY HAVE AFFECTED THE PERFORMANCE OF THE THERMOSTAT. *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.