Service bulletins for the 2015 Audi S7
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.
718 on file from NHTSA, as of 2026-10-19.
About P0507 on the 2015 Audi S7: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0507 are shown. Show all
| A171562 2040644- | 2017-10-21. Service bulletin. ENGINE AND ENGINE COOLING. A metallic whistling or grinding sound is heard from the engine compartment when the vehicle is at idle speed. The sound usually only occurs when the engine is warm. The MIL is sporadically on. DTC P2279 and DTC P0507 are stored in the ECM. A leak in the crankcase breather module (pressure regulating valve) can cause this condition. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.