# P0128 on the 2020 Chrysler Pacifica

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

- [10230058](https://open.wenmarpro.com/bulletins/10230058), 2023-01-17: Customer complains of a MIL\-on condition. Upon further inspection, there is a Diagnostic Trouble Code \(DTC\) P0128 Coolant Thermostat \(Coolant Temperature Below Thermostat Regulating Temperature\) set in the PCM.
- [10223446](https://open.wenmarpro.com/bulletins/10223446), 2022-10-17: Customer complains of a MIL\-on condition. Upon further inspection, there is a Diagnostic Trouble Code \(DTC\) P0128 Coolant Thermostat \(Coolant Temperature Below Thermostat Regulating Temperature\) set in the PCM.
- [10223286](https://open.wenmarpro.com/bulletins/10223286), 2022-10-17: Customer complains of a MIL\-on condition. Upon further inspection, there is a Diagnostic Trouble Code \(DTC\) P0128 Coolant Thermostat \(Coolant Temperature Below Thermostat Regulating Temperature\) set in the PCM.
- [10198380](https://open.wenmarpro.com/bulletins/10198380), 2021-06-28: Customer complains of a MIL\-on condition. Upon further inspection, there is a Diagnostic Trouble Code \(DTC\) P0128 Coolant Thermostat \(Coolant Temperature Below Thermostat Regulating Temperature\) set in the PCM.