# P0456 on the 2011 Audi A8

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.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0456

- [10250438](https://open.wenmarpro.com/bulletins/10250438), 2024-02-20: MIL on, no leak in EVAP system \(DTC P045600 in ECM\)
- [10250417](https://open.wenmarpro.com/bulletins/10250417), 2024-02-20: MIL on, no leak in EVAP system \(DTC P045600 in ECM\)
- [10228375](https://open.wenmarpro.com/bulletins/10228375), 2023-01-03: 01 MIL on, no leak in EVAP system \(DTC P045600 in ECM. Software update needed.
- [10225054](https://open.wenmarpro.com/bulletins/10225054), 2022-10-31: 01 MIL on, no leak in EVAP system \(DTC P045600 in ECM. Software update needed.
- [10222027](https://open.wenmarpro.com/bulletins/10222027), 2022-09-26: 01 MIL on, no leak in EVAP system \(DTC P045600 in ECM. Software update needed.
- [10160824](https://open.wenmarpro.com/bulletins/10160824), 2019-06-06: This bulletin contains repair instructions for when the MIL is on and the DTC P045600 is stored in the ECM. This document also applies to the 2015 A3 Cabriolet and the 2015 A4 Cabriolet.
- [10158636](https://open.wenmarpro.com/bulletins/10158636), 2019-05-06: This bulletin contains repair instructions for when the MIL is on and the DTC P045600 is stored in the ECM. Vehicles also include 2015 A3 Cabriolet and 2012 RS7,
- [10128398](https://open.wenmarpro.com/bulletins/10128398), 2018-02-05: Supersedes Technical Service Bulletin Group 01 number 14\-68 dated March 5, 2014. The MIL is on. DTC P045600 \(very small EVAP leak\) stored in engine control module. No leaks found in the EVAP system. Software update needed.
- [10128323](https://open.wenmarpro.com/bulletins/10128323), 2018-02-05: Supersedes Technical Service Bulletin Group 01 number 13\-85 dated April 11, 2013. MIL on. DTC P045600 \(very small EVAP leak\) stored in engine control module \(ECM\), J623 \(address word 01\). No leaks found in the EVAP system. Software update needed.
- [10124885](https://open.wenmarpro.com/bulletins/10124885), 2017-12-05: Supersedes Technical Service Bulletin Group 20 number 14\-41 dated October 9, 2014. MIL on. DTC P045600 \(EVAP System Leak Detected NVLD \(very small leak\)\) is stored in the engine control module \(ECM\), J623 \(address word 01\). Drivability is not affected. The NVLD pressure switch may erroneously detect a very small leak.