# P0456 on the 2014 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.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0456

- [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,
- [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.
- [10124721](https://open.wenmarpro.com/bulletins/10124721), 2017-12-05: Supersedes Technical Service Bulletin Group 20 number 14\-34 dated June 26, 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.
- [10123710](https://open.wenmarpro.com/bulletins/10123710), 2017-11-17: Supersedes Technical Service Bulletin Group 20 number 15\-52 dated October 28, 2015. The MIL is 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.
- [10123708](https://open.wenmarpro.com/bulletins/10123708), 2017-11-17: Supersedes Technical Service Bulletin Group 20 number 15\-48 dated October 15, 2015. The MIL is 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.
- [10123704](https://open.wenmarpro.com/bulletins/10123704), 2017-11-17: Supersedes Technical Service Bulletin Group 20 number 15\-46 dated May 15, 2015. The MIL is 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.
- [10122416](https://open.wenmarpro.com/bulletins/10122416), 2017-11-08: Supersedes Technical Service Bulletin Group 20 number 14\-32 dated March 21, 2014. The MIL is 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.
- [10122285](https://open.wenmarpro.com/bulletins/10122285), 2017-11-08: upersedes Technical Service Bulletin Group 20 number 14\-31 dated January 9, 2014. The MIL is 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.
- [10122187](https://open.wenmarpro.com/bulletins/10122187), 2017-11-08: Supersedes Technical Service Bulletin Group 20 number 13\-28 dated November 14, 2013. The MIL is on. DTC P045600 \(EVAP System Leak Detected NVLD \(very small leak\)\) is stored in the ECM. Drivability is not affected. The NVLD pressure switch may erroneously detect a very small leak.