Service bulletins for the 2009 Audi A6
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.
710 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Engine are shown. Show all
| A012216203300126 | 2022-03-04. Service bulletin. ENGINE. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
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| A192228202530313 | 2022-02-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin contains instructions for identifying and mixing factory fill coolants. |
| A192227202530312 | 2022-02-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT. This bulletin contains instructions for identifying and mixing factory fill coolants. |
| 1913462033491 5 | 2021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. Customer may report coolant leaking from the engine area. |
| 1713462030197 12 | 2021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. Upon customer complaint of excessive engine oil consumption. |
| A012111203300125 | 2021-10-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| A1021222018288_9 | 2021-06-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This technical service bulletin reminds the reader to check for metal debris when replacing an engine. |
| A1721162060033_3 | 2021-06-03. Service bulletin. ENGINE. This bulletin contains repair instrructions for when there are noises in the engine compartment with DTC P052E00. |
| A1721122060750_2 | 2021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks. |
| A012093203300124 | 2020-11-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| A1720112060750_1 | 2020-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; EQUIPMENT. This bulletin contains instructions for using the UV additive to find engine oil leaks. |
| A9020652032113_4 | 2020-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM. This information bulletin contains a background on the outside air temperature reading. |
| A1720102060033_2 | 2020-09-03. Service bulletin. ENGINE. This bulletin contains repair instrructions for when there are noises in the engine compartment with DTC P052E00. |
| A012072203300122 | 2020-08-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| A1720072060033_1 | 2020-08-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This bulletin contains repair instructions for when there are noises in the engine compartment with DTC P052E00. |
| A1920042025303_1 | 2020-07-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for identifying and mixing factory fill coolants. |
| A012062203300121 | 2020-06-04. Service bulletin. ENGINE; EQUIPMENT. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| A012058203300120 | 2020-05-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| A011919203300119 | 2019-08-07. Service bulletin. ENGINE. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| A011902 2033001 | 2019-04-08. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| A011894 2033001 | 2019-02-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| A011893 2033001- | 2019-02-19. Service bulletin. ENGINE. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| A011886 2035454- | 2018-11-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This technical service bulletin contains instructions for pressure washing ports to resolve an "AIR system -- action required" message. |
| A011879 2033001- | 2018-10-15. Service bulletin. EQUIPMENT; ENGINE. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction. |
| Circular - Emiss | 2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. Over time and mileage and under certain conditions, the factory-installed catalysts may not perform as required by Federal regulations. If the effectiveness of a catalyst is reduced, this may result in an increase in tailpipe emissions and the vehicle could fail to pass an emissions inspection. Updated exhaust clamp part number to reference ETKA |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.