# U1121 on the 2021 Porsche Panamera

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 U1121

- [10208625](https://open.wenmarpro.com/bulletins/10208625), 2022-03-03: instructions on advanced technical information for 2021 E\-Hybrid OBD Fault. U112100 DTC D1211D “Data bus \- missing message”.