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P0638 on the 2011 Kia Sorento

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 P0638
TSB-ENG133R22017-08-02. Service bulletin. TSB: SERVICE ACTION: ECM UPGRADE ? MIL ON WITH DTC P0638 AND ETC MOTOR CLEANING (SA153) - This bulletin provides information related to the ECM software upgrade for some 2011-2013MY Sorento 3.5L MPI vehicles, produced from October 25, 2009 through January 31, 2013, and 2011, 2012 & 2014MY Sedona 3.5L MPI vehicles, produced from March 03, 2010 through July 12, 2013, which may experience a Malfunction Indicator Lamp illuminated with the ECM (Electronic Control Module) system-related DTC P0638.

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.