P0306 on the 2008 Audi A6
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.
| TSB-20-10-10 | 2011-03-17. Service bulletin. AUDI: ONE OR MORE OF THE FOLLOWING DTCS ARE STORED WITHIN FIRST 60 SECONDS, WHEN COOLANT TEMPERATURE IS BETWEEN 10-39%C ACCORDING TO FREEZE FRAME DATA: DTC P0300 (RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED); DTC P0301-P0306 (CYL. 1 MISFIRE DETECTED-CYL. 6 MISFIRE DETECTED). *PE |
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| TSB-01-09-07 | 2009-10-27. Service bulletin. AUDI: DURING THE COLD START PHASE OF THE ENGINE, THE ENGINE MAY RUN ROUGH. MISFIRE DTCS (P0300, P0301, P0302, P0303, P0304, P0305 OR P0306) MAY BE STORED IN THE ECM. SOFTWARE UPDATE MAY BE NECESSARY. UPDATE SOFTWARE IN DEVELOPMENT. *PE |
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.