P0128 on the 2019 Hyundai Accent
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.
| Campaign T3S Dea | 2019-04-22. Service bulletin. This bulletin provides information related to an ECM (Engine Control Module) software update for DTC P0128 ?Coolant temp Below thermostat regulating Temperature? logic improvement. There are no drivability symptoms associated with DTC P0128. |
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| 19-01-008H | 2019-04-22. Service bulletin. This bulletin provides information related to an ECM (Engine Control Module) software update for DTC P0128 ?Coolant temp Below thermostat regulating Temperature? logic improvement. There are no drivability symptoms associated with DTC P0128. |
2 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.