# P0128 on the 2012 Subaru B9 Tribeca

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

- [10234269](https://open.wenmarpro.com/bulletins/10234269), 2023-04-17: If you encounter a vehicle which has P0128 stored in memory, it may be caused by a very slight variation in coolant temperature between the left and right cylinder bank.
- [10093953](https://open.wenmarpro.com/bulletins/10093953), 2017-03-06: P0128 COOLANT THERMOSTAT \(ENGINE COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE\)