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Service bulletins for the 1999 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.

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

By type

By component

By trouble code

Bulletins, newest first
112420042005-09-12. Service bulletin. SUSPENSION:FRONT:CONTROL ARM:LOWER ARM. SERVICE ACTION JE CAMPAIGN-CHECK/REPLACE FRONT SUSPENSION LOWER CONTROL ARMS. AUDI HAS FOUND THAT IN RARE CASES, ONE OR BOTH FRONT SUSPENSION LOWER CONTROL ARMS ON AFFECTED VEHICLES CAN EXHIBIT WEAR, EVEN THOUGH THE DAMAGE TO THE RUBBER BOOTS IS NOT OBVIOUS. *SC
4805012005-03-15. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM. POWER STEERING, NOISY. TO INCLUDE 2006 MODELS. *TT
04062005-02-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. COOLANT LEAK AT OIL COOLER HOSES. *TT
JE2005-01-29. Service bulletin. SUSPENSION:FRONT:CONTROL ARM:LOWER ARM. CHECK/REPLACE REPLACE FRONT SUSPENSION LOWER CONTROL ARMS. *TC
04042005-01-27. Service bulletin. VEHICLE SPEED CONTROL. THROTTLE BODY REPLACEMENT KIT INSTALLATION. *TC
04032005-01-27. Service bulletin. VEHICLE SPEED CONTROL. THROTTLE BODY REPLACEMENT KIT INSTALLATION. *TC
04022004-11-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VALVE COVER, DIAGNOSING OIL LEAKAGE FROM GASKETS. *TT
JE2004-11-02. Service bulletin. SUSPENSION:FRONT:CONTROL ARM:LOWER ARM. BOTH FRONT SUSPENSION LOWER CONTROL ARMS CAN EXHIBIT WEAR, EVEN THOUGH THE DAMAGE TO THE RUBBER BOOTS IS NOT OBVIOUS. SERVICE ACTION CIRCULAR TO CHECK/REPLACE FRONT SUSPENSION LOWER CONTROL ARMS. *TT
04082004-10-19. Service bulletin. FUEL SYSTEM, OTHER. LONG TERM FUEL TRIM - SYSTEM TOO RICH. DIAGNOSTIC TROUBLE CODE P1123, P1125, P1137 AND P1139. *TT
0428042004-05-27. Service bulletin. SUSPENSION:FRONT:CONTROL ARM:LOWER ARM. SERVICE ACTION TO INSPECT LOWER CONTROL ARM SEALS. *TT
LQ2003-04-01. Service bulletin. STRUCTURE:BODY:BUMPERS. SERVICE ACTION CAMPAIGN - INSTALLATION OF FRONT BUMPER GUIDES. *TT
9001042002-02-05. Service bulletin. ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH. SUBJECT REGARDING INSTRUMENT CLUSTER, DRIVER'S INFORMATION DISPLAY FADES. *JG
9001022002-02-05. Service bulletin. ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH. SUBJECT REGARDING INSTRUMENT CLUSTER, DRIVER'S INFORMATION DISPLAY FADES. *JG
1501022001-09-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. A CONDITION MAY EXIST WHERE THE ENGINE CRANKS BUT WILL NOT START. *TT
00022000-04-24. Service bulletin. FUEL SYSTEM, OTHER. REVISED INFORMATION FOR VEHICLES EXHIBITING AN INCORRECT FUEL GAUGE READING. *TT
00012000-04-24. Service bulletin. FUEL SYSTEM, OTHER. SUBJECT REGARDING AN INCORRECT FUEL READING ON FUEL GAUGE (ERRATIC, STUCK ON FULL OR EMPTY). *TT
9808981998-08-28. Service bulletin. EQUIPMENT:ELECTRICAL. INSTALLATION INSTRUCTIONS ON CELLULAR TELEPHONES. *YC

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