# B1938 on the 2020 Alfa Romeo Stelvio

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.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name B1938

- [10221839](https://open.wenmarpro.com/bulletins/10221839), 2022-09-26: After Module Replacement A/C Systems Do Not Operate Properly. DTC B1938\-64 Humidity Sensor LIN Bus ? Signal Plausibility Failure
- [10180229](https://open.wenmarpro.com/bulletins/10180229), 2020-09-28: After Module Replacement A/C Systems Do Not Operate Properly. DTC B1938\-64 Humidity Sensor LIN Bus ? Signal Plausibility Failure