P0128 on the 2017 Kia Forte
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.
| TSBENG176 | 2017-10-15. Service bulletin. TSB - SERVICE ACTION: ELECTRIC THERMOSTAT REPLACEMENT (SA308) - This bulletin provides the procedure to replace the electric thermostat on 2017MY Forte (YDm) 2.0L MPI vehicles, produced from May 23, 2016 through March 15, 2017, which may exhibit a Malfunction Indicator Lamp (MIL) ON with DTC P0128. |
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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.