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Service bulletins for the 2016 Audi S6

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.

676 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
A1722172060750_32022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A1922282025303132022-02-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin contains instructions for identifying and mixing factory fill coolants.
A1922272025303122022-02-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT. This bulletin contains instructions for identifying and mixing factory fill coolants.
A2121382044640112022-01-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains repair instructions for when the engine cannot be started or it is difficult, there is unusual noises when accelerating and/or there is reduced engine performance.
A2121372044640_12021-09-02. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains repair instructions for when the engine cannot be started or it is difficult, there is unusual noises when accelerating and/or there is reduced engine performance.
A1921222046712_32021-08-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap.
A2021352043357_12021-08-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM:SOFTWARE. This technical service bulletin provides a software code for correcting an issue that causes DTC P046100.
A1021222018288_92021-06-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This technical service bulletin reminds the reader to check for metal debris when replacing an engine.
A1921172048936_32021-06-03. Service bulletin. ENGINE AND ENGINE COOLING. This is an information bulletin regarding procedure for when the technician finds coolant marks during a repair.
A1321132062387_12021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for determining if a repair is needed when coolant touches a poly V-belt and/or a toothed belt.
A1721122060750_22021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A5520512014055_82021-01-08. Service bulletin. EQUIPMENT; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions for addressing discoloration due to moisture on a new vehicle.
A2120362044640_92020-12-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ELECTRICAL SYSTEM:STARTER ASSEMBLY. This bulletin contains repair instructions for when the engine cannot be started or it is difficult, there is unusual noises when accelerating and/or there is reduced engine performance.
A1720112060750_12020-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; EQUIPMENT. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A0020422045316_52020-11-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE. This bulletin contains information for diagnosing the Start/Stop system.
A9020652032113_42020-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM. This information bulletin contains a background on the outside air temperature reading.
A1920042025303_12020-07-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for identifying and mixing factory fill coolants.
A0020372059437_12020-06-04. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE:DELIVERY. The informational bulletin explains why during COVID-19 there is winter-blend fuel during a warmer season and causing some issues.
AWA 20-052020-05-07. Service bulletin. ENGINE AND ENGINE COOLING. This Document informs dealers on the new rear oxygen sensor warranty extension for 2016-2018 S6, S7, RS7, A8, and S8 vehicles
A1920012048936_22020-03-05. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING. This is an information bulletin regarding procedure for when the technician finds coolant marks during a repair.
A2119322034999_42019-07-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This informational bulletin contains an explanation for a discolored pipe.
A011996 20466112019-04-08. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides repair instructions for when DTC P209600 and DTC P209800 appear and the reference duct is contaminated.
A011901 20466112019-04-08. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides repair instructions for when DTC P209600 and DTC P209800 appear and the reference duct is contaminated.
A011900 20467242019-04-01. Service bulletin. ENGINE. This bulletin contains a software update to address occasional stalling or running erratically without a DTC. Occasional "System too rich" entries.
A191791 2048936-2019-02-19. Service bulletin. ENGINE AND ENGINE COOLING. This is an information bulletin regarding procedure for when the technician finds coolant marks during a repair.

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