P0507 on the 2014 Audi RS 7
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.
| A171562 2040644- | 2017-10-21. Service bulletin. 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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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.