# U1011 on the 2012 Audi A7

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 U1011

- [10250972](https://open.wenmarpro.com/bulletins/10250972), 2024-03-04: Vehicle does not start, battery flat DTC stored \(DTC U101100\)
- [10124513](https://open.wenmarpro.com/bulletins/10124513), 2017-12-05: Customer may report that the vehicle does not start due to a discharged battery. DTC U101100 \(supply voltage too low\) is stored in the gateway, J533 \(address word 19\), and/or the electronic parking brake \(EPB\) control module, J540 \(address word 53\). According to the test plan "19\-Read Data Bus Keep\-Awake Manager", the EPB control module kept the data bus active for prolonged periods of time. The EPB switch appears to be permanently operating \(applying or releasing the parking brake\) due to an internal mechanical issue or because it is jammed or blocked by debris or by a foreign object. Test plan "19\-Read Data Bus Keep\-Awake Manager", identifies the EPB control module as keeping the data bus active for prolonged periods of time.
- [10124506](https://open.wenmarpro.com/bulletins/10124506), 2017-12-05: Supersedes Technical Service Bulletin Group 53 number 13\-02 dated July 11, 2013. Customer may report that the vehicle does not start due to a discharged battery. DTC U101100 \(supply voltage too low\) is stored in the gateway, J533 \(address word 19\), and/or the electronic parking brake \(EPB\) control module, J540 \(address word 53\). According to the test plan "19\-Read Data Bus Keep\-Awake Manager", the EPB control module kept the data bus active for prolonged periods of time. The EPB switch appears to be permanently operating \(applying or releasing the parking brake\) due to an internal mechanical issue or because it is jammed or blocked by debris or by a foreign object. Test plan "19\-Read Data Bus Keep\-Awake Manager", identifies the EPB control module as keeping the data bus active for prolonged periods of time.
- [10122339](https://open.wenmarpro.com/bulletins/10122339), 2017-11-08: Customer may report that the vehicle does not start due to a discharged battery. DTC U101100 \(supply voltage too low\) is stored in the gateway, J533 \(address word 19\), and/or the electronic parking brake \(EPB\) control module. According to the test plan "19\-Read Data Bus Keep\-Awake Manager", the EPB control module kept the data bus active for prolonged periods of time. The EPB switch appears to be permanently operating \(applying or releasing the parking brake\) due to an internal mechanical issue or because it is jammed or blocked by debris or by a foreign object.
- [10122308](https://open.wenmarpro.com/bulletins/10122308), 2017-11-08: Supersedes Technical Service Bulletin Group 97 number 14\-41 dated March 18, 2014. The MIL is on. Vehicle will not start. DTC P068A00 is stored in the engine control module \(ECM\), J623 \(address word 01\). Numerous unrelated DTCs are also stored in the system, including: P056200, P057100, P068700, P068A00, P162400, P190C00, U010000, U010100, U012100, U014600, U015500, U021200, U101100, U102600, U111100, U111300, U140000, VAG00003, VAG00185, VAG00263, VAG00317, VAG00384, VAG00446, VAG00456, VAG00457, VAG00466, VAG00473, VAG00532, VAG00565, VAG00591, VAG00714, VAG00819, VAG00955, VAG01217, VAG01299, VAG01314, VAG01315, VAG01317, VAG01320, VAG01330, VAG01331, VAG01332, VAG01334, VAG01333, VAG01336, VAG01705, VAG01964, VAG02067, VAG02072, VAG02095, VAG02103, VAG02203, VAG02214, VAG02635, VAG02812, VAG02874, VAG03041, VAG03157, VAG03166, VAG03220, VAG03278, and/or VAG03531. The motronic engine control module power supply relay, J271, is not functioning properly. Because the J271 relay controls battery voltage \(Terminal 30\) via a ground signal sent from the ECM, numerous faults can occur in multiple control modules when it is not functioning properly.