# P0128 on the 2018 Hyundai Tucson

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

- [10163865](https://open.wenmarpro.com/bulletins/10163865), 2019-08-19: This bulletin provides information related to the Engine Control Module \(ECM\) software logic update for the DTC P0128 ? ?Coolant thermostat \- coolant temp below thermostat regulating temperature?.