# B119F on the 2021 Mazda Mazda3

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 B119F

- [11003361](https://open.wenmarpro.com/bulletins/11003361), 2024-07-05: Some customers may experience the master warning light and/or the "In\-Vehicle Network Malfunction" warning message in the instrument cluster on with DTC B119F:01 \(TCU \- Tel antenna No. 1 malfunction\) stored.
- [10185054](https://open.wenmarpro.com/bulletins/10185054), 2021-01-05: Some customers may experience the master warning light and/or the "In\-Vehicle Network Malfunction" warning message in the instrument cluster on with DTC B119F:01, B119F:13 and/or B119F:2B stored when the vehicle position cannot be displayed correctly.
- [10183598](https://open.wenmarpro.com/bulletins/10183598), 2020-12-03: Some customers may experience the master warning light and/or the "In\-Vehicle Network Malfunction" warning message in the instrument cluster on with DTC B119F:01, B119F:13 and/or B119F:2B stored when the vehicle position cannot be displayed correctly. • B119F:01 \(TCU \- Tel antenna No. 1 malfunction\) • B119F:13 \(TCU \- TEL antenna No.1 circuit malfunction\) • B119F:2B \(CMU \- GPS antenna signal circuit malfunction\) This concern may be caused by incoming noise disturbing the reception of GPS signals, resulting in the wrong vehicle location and the DTC stored. To eliminate this concern, the GPS antenna has been modified.