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P0306 on the 2012 Audi S4

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.

Bulletins for this model year that name P0306
A011389 2033768-2017-12-05. Service bulletin. MIL on. A cylinder misfire fault (DTC P0301 ? P0306) with DTC P130A is stored in the engine control module (ECM), J623 (address word 01).
A011327 2033768-2017-12-05. Service bulletin. Supersedes Technical Service Bulletin Group 01 number 13-89 dated May 2, 2013. MIL on. A cylinder misfire fault (DTC P0301 - P0306) with DTC P130A is stored in the engine control module (ECM), J623 (address word 01).

2 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.