Service bulletins for the 2020 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.
1382 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Engine are shown. Show all
| A0120422058309_1 | 2020-02-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. This bulletin contains instructions for when DTC P001100 is stored in the ECM with potential misfiring. |
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| A191789 2046712- | 2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap. |
| A191777 2046712- | 2017-10-04. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.