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Service bulletins for the 2013 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.

1666 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
A0122162033001262022-03-04. 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.
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.
2013282035073 22021-12-13. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. After the engine is switched off, the fuel system creates a natural vacuum as the fuel in the fuel ank cools off. If the natural vacuum leak detection (NVLD)
1913462033491 52021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. Customer may report coolant leaking from the engine area.
1713472035463 22021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. Electronic oil consumption measurement.
0113422033379 22021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. Red oil pressure warning light may be on.
A0121112033001252021-10-06. 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.
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.
A1921182061604_42021-06-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin contains instructions for resolving a coolant leak.
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.
A1721162060033_32021-06-03. Service bulletin. ENGINE. This bulletin contains repair instrructions for when there are noises in the engine compartment with DTC P052E00.
A1921152061604_32021-05-06. Service bulletin. ENGINE. This bulletin contains instructions for resolving a coolant leak.
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.
A1921142061604_22021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for resolving a coolant leak.
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.
A1920102061604_12021-01-08. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for resolving a coolant leak.
A0120932033001242020-11-05. 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_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.
A1720102060033_22020-09-03. Service bulletin. ENGINE. This bulletin contains repair instrructions for when there are noises in the engine compartment with DTC P052E00.
A0120722033001222020-08-06. 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.
A1720082060259_12020-08-06. Service bulletin. ENGINE. This bulletin contains repair instructions for when DTC P052E00 is stored with noise coming from the engine compartment.

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