Service bulletins for the 2012 Audi A6
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1506 on file from NHTSA, as of 2026-10-19.
About P0456 on the 2012 Audi A6: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
Only bulletins with trouble code: P0456 are shown. Show all
| A201327 2035073- | 2017-10-31. Service bulletin. ENGINE. 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. |
|---|---|
| A201546 2035073- | 2017-10-21. Service bulletin. FUEL SYSTEM, GASOLINE. 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. |
| A201545 2035073- | 2017-10-21. Service bulletin. FUEL SYSTEM, GASOLINE. Supersedes Technical Service Bulletin Group 20 number 14-43 dated December 19, 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. |
| A011653 2027732- | 2017-10-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. The MIL is on due to DTC P045600 (very small EVAP leak) being stored in the ECM. No leaks were found in the EVAP system. Software update needed. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.