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Service bulletins for the 2009 Audi A4

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.

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

By type

By component

By trouble code

Bulletins, newest first
001470203920612023-01-03. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. High quality media files (video and sound) are now integrated into technical service bulletins on a case-by-case basis. Media files can now be viewed on any smartphone or tablet.
001466203794912023-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). A DTC with the description ?Invalid Data Record? is stored after an ECU has been replaced or updated.
0014652011732102023-01-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Technical Service Bulletin (TSB) details the general process for carrying out a Software Version Management (SVM) software update for any TSB or Update.
001463203357622023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. Although the correct amount of oil was added to the engine during an oil change service, a check of the oil level shows that the oil level is not okay. When an unapproved aftermarket speed-filling device is used to add oil to the engine, the increased oil flow rate may force oil into the intake manifold or combustion chamber, creating the potential for engine damage.
001459202973722023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. When oil is drained through the drain plug, the oil might spill on components around the oil pan area. If it is not properly cleaned up, this spilled oil could drip after the procedure is complete, causing unnecessary customer complaints.
001349203357612023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. Although the correct amount of oil was added to the engine during an oil change service, a check of the oil level shows that the oil level is not okay.
A1922332061604_52022-12-06. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin contains instructions for resolving a coolant leak.
391414202890232022-11-21. Service bulletin. SUSPENSION. Squealing, howling, or whistling noise from under vehicle when cold
371431201300252022-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ATF pan leaks
371430200365862022-11-21. Service bulletin. POWER TRAIN. Vehicle lacks power or will not move after stop due to simultaneous depressing of the brake and accelerator pedals
371381202119332022-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL); UNKNOWN OR OTHER. Harsh 2-1 shift with automatic gearbox (0B6) - A4, A5
371309202871522022-11-21. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. Rough gear changes both when accelerating and slowing down
971335203341212022-11-21. Service bulletin. AIR BAGS; LANE DEPARTURE. ABS warning light on - wire harness damage
971441203676412022-11-21. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. 97 No start (DTC P068A00)
971442203676422022-11-21. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. 97 No Styart (DTC P068A00)
971443203676432022-11-21. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. 97 No start (DTC P068A00)
961485202741652022-11-21. Service bulletin. EQUIPMENT. Sunglass holder will not close
011463203363022022-10-31. Service bulletin. ELECTRICAL SYSTEM. Because there are a number of different misfire faults (unrelated to ignition coil operation) that could cause the MIL to illuminate, proper Guided Fault Finding (GFF) misfire diagnosis must be followed before any ignition coils are replaced.
011403203322332022-10-31. Service bulletin. ENGINE AND ENGINE COOLING. The programmed values for the misfiring recognition are not automatically reset by deleting the memory once.
011401202730642022-10-31. Service bulletin. FUEL SYSTEM, GASOLINE. Assistance to properly diagnose a fuel pressure sensor -G247- concern
011386203363012022-10-31. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM. Because there are a number of different misfire faults (unrelated to ignition coil operation) that could cause the MIL to illuminate, proper Guided Fault Finding (GFF) misfire diagnosis must be followed before any ignition coils are replaced.
011383203300112022-10-31. Service bulletin. ENGINE AND ENGINE COOLING. Under certain driving conditions, the secondary air ports in the cylinder head can accumulate carbon over time, causing a restriction.
011373203322312022-10-31. Service bulletin. ENGINE AND ENGINE COOLING. Engine warning light on after engine replacement
011330202708252022-10-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. DTC P0234 (Turbo/Super Charger Overboost Condition) is stored in the engine control module, J623 (address word 01). No other DTCs are stored. Technical Background DTC P0234 can be set inadvertently by the software application.
011329203322322022-10-31. Service bulletin. EQUIPMENT:ELECTRICAL. The programmed values for the misfiring recognition are not automatically reset by deleting the memory once.

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