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MANUFACTURER DOCUMENTATION

Audi A8

4.0 TFSI two-check breather case.

Documented years: 2013–2016

Match the document’s model, years, engine, market and other conditions. This page does not establish every code the vehicle can display.

Diagnostic guides

Audi A8 P2279/P0507 and a warm-idle whistle: the two-check breather diagnosis

Two observations must agree before this Audi bulletin supports an oil-separator replacement.

Manufacturer bulletins

Two-check breather diagnosis

Two-check breather case.

Scope: 2013–2016 · 4.0 TFSI

Displays in the document: P2279, P227900, P0507, P050700

See the diagnostic guide.

A8 scope only.

Read the diagnostic case guide

Sources and scope

  1. 2040644/13 (2022-03-25)

    Audi of America · Checked 2026-10-30

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