# U1421 on the 2019 Audi A5

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 U1421

- [11016511](https://open.wenmarpro.com/bulletins/11016511), 2025-04-04: This bulletin provides information when there is an SOS Malfunction with ConBox Low, "Emergency call function: fault", \(DTC U142100, U153E00\).
- [11009387](https://open.wenmarpro.com/bulletins/11009387), 2024-10-28: This bulletin provides information when there is an SOS Malfunction with ConBox Low, "Emergency call function: fault", \(DTC U142100, U153E00\).
- [11007350](https://open.wenmarpro.com/bulletins/11007350), 2024-09-06: This bulletin provides information when there is an SOS Malfunction warning in the instrument cluster in vehicles with ConBox Low; DTC U142100 stored in the gateway.
- [11007269](https://open.wenmarpro.com/bulletins/11007269), 2024-09-06: This bulletin provides information when there is an SOS Malfunction warning in the instrument cluster in vehicles with ConBox Low; DTC U142100 stored in the gateway.
- [10254071](https://open.wenmarpro.com/bulletins/10254071), 2024-05-06: This bulletin provides information when there is no diagnostic communication to the control module \(ConBox\), DTC U142100.
- [10244549](https://open.wenmarpro.com/bulletins/10244549), 2023-11-06: This bulletin provides information for when there is no diagnostic communication to the telematics control module \(ConBox\); DTC U142100.
- [10241440](https://open.wenmarpro.com/bulletins/10241440), 2023-09-01: This bulletin provides information for when there is no communication to the telematics control module, DTC U142100.
- [10240197](https://open.wenmarpro.com/bulletins/10240197), 2023-08-04: This bulletin provides information for when there is no diagnostic communication to the telematics control module \(ConBox\) DTC U142100.
- [10238344](https://open.wenmarpro.com/bulletins/10238344), 2023-07-10: Ths bulletin provides information for when no diagnostics communication to the telematics control module; DTC U142100 may be stored.
- [10231579](https://open.wenmarpro.com/bulletins/10231579), 2023-03-06: This bulletin provides information for when an SOS malfunction is displayed in the instrument cluster; DTCs U142100, U164200, and/or U122C00.