# U1123 on the 2021 Audi A4

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 U1123

- [11013715](https://open.wenmarpro.com/bulletins/11013715), 2025-02-05: This TSB provides information in instances when DTC U112300 is stored in one of two control modules.
- [11009406](https://open.wenmarpro.com/bulletins/11009406), 2024-10-28: This bulletin provides information when "Audi Active Lane Assist/Traffic Jam Assist: malfunction\!" is displayued, DTC U112300 is stored in one of two control modules
- [11005981](https://open.wenmarpro.com/bulletins/11005981), 2024-08-06: This bulletin provides infrmation when the message "Audi Ative Lane Assist/Traffic Jam assist: malfunction\!", DTC U112300 is stored.
- [10250577](https://open.wenmarpro.com/bulletins/10250577), 2024-03-06: This bulletin provides information for when the message "Audi Active Lane Assist/Traffic Jam Assist: malfunction" appears, and DTC U112300 is stored in one of two control modules.
- [10222137](https://open.wenmarpro.com/bulletins/10222137), 2022-10-05: This bulletin provides information on how to properly address DTC U112300.
- [10220395](https://open.wenmarpro.com/bulletins/10220395), 2022-10-05: This bulletin provides information on how to properly address DTC U112300.