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Service bulletins for the 2021 Audi RS 6 Avant

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.

1085 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Exhaust and emissions are shown. Show all

Bulletins, newest first
A0123782071318_22023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This bulletin provides information for when the MIL is on, there is a whistling noise, leaking air Bank 2 - DTC P2ADF00, Engine Crankcase breather.
A0123722071318_12023-09-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This bulletin provides information for when the MIL is on and a whistling noise can be heard, DTC P2ADF00.
A0123442069351_22023-03-06. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin provides instructions for when the exhaust warning light is ON and/or a whistling noise can be occasionally heard from the engine compartment; DTCs P227900 may be present.
A0123432069351_12023-03-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin provides instructions for when the exhaust warning light is ON and/or a whistling noise can be occasionally heard from the engine compartment; DTCs P227900 may be present.
A2622482058998_42022-04-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin contains repair instructions from the exhaust system at idle speed DTCs P047600, P048C00, P04A000, or P301B00 are stored in the ECM.
A2621462062029_22021-06-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This informational bulletin contains guidance on addressing a exhaust flap creaking noise.
A2621452058998_32021-06-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin contains repair instructions from the exhaust system at idle speed DTCs P047600, P048C00, P04A000, or P301B00 are stored in the ECM.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.