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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.

About P0300 on the 2021 Audi RS 6 Avant: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: P0300 are shown. Show all

Bulletins, newest first
A0124482014753_132025-01-07. Service bulletin. ENGINE. This bulletin provides information when the MIL is on; DTCs for misfire, air/fuel ratio imbalance, or lean fuel system stored in the ECM P030000.
A0124212069038_52024-06-25. Service bulletin. ENGINE. This bulletin provides information when the MIL is illuminated, cylinder misfires; P0300, P0301, P0302, P0303, P0304, P0305, P0306
A0124212069038_52024-06-25. Service bulletin. ENGINE. This bulletin provides information when the MIL is illuminated, cylinder misfires; P0300, P0301, P0302, P0303, P0304, P0305, P0306
A1324232060876_22024-03-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin provides information for when the MIL is illuminated; DTC P030000 is stored in the ECM, and corrosion marks are on the cylinder walls.
A0123042072274_12024-01-04. Service bulletin. ENGINE. This bulletin provides information when the vehicle is running rough at idle; P030000, P030200, P030300, P030400.
A0123862071251_22023-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when there are misfires on cylinder 1 or 6, MIL on, DTCs P030000, P030100, P030600.
A0123732071251_12023-09-01. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin requests that technicians create a PSS Record when the MIL is on, misfires on cylinder 1 or 6, and the DTCs P030000, P030100, and P030600 are stored.
A1320092060876_12020-11-05. Service bulletin. ENGINE; EQUIPMENT. This bulletin states to continue diagnosis when there are corrosion marks with DTC P030000.

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