# P0456 on the 2015 Audi Q5

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.
- [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.
- [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.
- [10123709](https://open.wenmarpro.com/bulletins/10123709), 2017-11-17: Supersedes Technical Service Bulletin Group 20 number 15\-51 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. Various parts have been replaced under warranty for the condition noted above, but no issues were identified with these parts.
- [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.
- [10123707](https://open.wenmarpro.com/bulletins/10123707), 2017-11-17: Supersedes Technical Service Bulletin Group 20 number 15\-49 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. Various parts have been replaced under warranty for the condition noted above, but no issues were identified with these parts.
- [10123705](https://open.wenmarpro.com/bulletins/10123705), 2017-11-17: 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. Various parts have been replaced under warranty for the condition noted above, but no issues were identified with these parts. In an effort to gain information, we are asking that you contact the Audi Technical Assistance Center \(TAC\) before replacing any parts. This will assist us in diagnosing any potential issues with the condition noted above.
- [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.
- [10123654](https://open.wenmarpro.com/bulletins/10123654), 2017-11-17: Supersedes Technical Service Bulletin Group 20 number 15\-53 dated October 29, 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. Various parts have been replaced under warranty for the condition noted above, but no issues were identified with these parts. In an effort to gain information, we are asking that you contact the Audi Technical Assistance Center \(TAC\) before replacing any parts. This will assist us in diagnosing any potential issues with the condition noted above.
- [10120033](https://open.wenmarpro.com/bulletins/10120033), 2017-10-21: Supersedes Technical Service Bulletin Group 20 number 15\-45 dated May 6, 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.