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Service bulletins for the 2009 Audi A3

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.

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

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By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
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.
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.
A3720992060148_12020-08-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: OIL COOLER; POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:GEARS. This informational bulletin states to not replace parts for the beveling groove as it is normal.
A1920042025303_12020-07-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for identifying and mixing factory fill coolants.
AWA 19-062020-01-08. Service bulletin. ENGINE; EQUIPMENT. The communication contains the details of the water pump extended warranty.
AWA 18-15-2019022019-04-15. Service bulletin. ENGINE. This bulletin explains the extended warranty for the timing chain/timing chain tensioner in certain vehicles. Was revised on 11/13/18 to include a proration table for consequential damage repair reimbursement. It was revised again on 2/4/19 to include claiming information for entire engine replacement.
AWA 18-15-2019022019-04-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE; EQUIPMENT. This bulletin explains the extended warranty for the timing chain/timing chain tensioner in certain vehicles. Was revised on 11/13/18 to include a proration table for consequential damage repair reimbursement. It was revised again on 2/4/19 to include claiming information for entire engine replacement.
AWA 18-15-2019022019-04-01. Service bulletin. EQUIPMENT; ENGINE. This bulletin explains the extended warranty for the timing chain/timing chain tensioner in certain vehicles. Was revised on 11/13/18 to include a proration table for consequential damage repair reimbursement. It was revised again on 2/4/19 to include claiming information for entire engine replacement.
AWA 18-15-2018112019-02-19. Service bulletin. ENGINE. This bulletin explains the extended warranty for the timing chain/timing chain tensioner in certain vehicles. Was revised on 11/13/18 to include a proration table for consequential damage repair reimbursement.
AWA 18-152018-12-10. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. This bulletin explains the extended warranty for the timing chain/timing chain tensioner in certain vehicles.
A1915612025303-52018-02-05. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 19 number 14-50 dated June 20, 2014. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been introduced in MY 2005 for all engines. G13 has been introduced in MY 2008 as factory filling and service.
A171782 2010043-2018-02-05. Service bulletin. ENGINE. This informational bulletin contains all the the Audi Oil Quality Standards that should be used when doing an oil change.
A001349 2033576-2017-12-05. Service bulletin. ENGINE. 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.
A171453 2038129-2017-12-05. Service bulletin. ENGINE. Supersedes Technical Service Bulletin Group 17 number 14-50 dated August 15, 2014. A check with the engine oil service dipstick T40178 is necessary, but the adjustment values for the dipstick are not available in the Elsa repair manual. Because of a system change, the adjustment values for the service dipstick T40178 were removed from the repair manual.
A011403 2033223-2017-12-05. Service bulletin. ENGINE. Supersedes Technical Service Bulletin Group 01 number 13-29 dated September 16, 2013. The engine warning light is on after engine replacement. The engine is not running roughly. However, the engine control module, J623 (address word 01), is storing one or more engine misfire fault codes. The fault codes occur at light load, between 8% and 14% accelerator pedal position. The programmed values for the misfiring recognition are not automatically reset by deleting the memory once.
A011401 2027306-2017-12-05. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 01 number 14-83 dated July 17, 2014. MIL on. DTCs may be stored in the engine control module (ECM). Assistance to properly diagnose a fuel pressure sensor -G247- concern.
AWA-13-072017-12-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. As part of Audi's ongoing commitment to our environment, Audi is extending the Emissions Control Systems Warranty to cover cleaning of the engine cylinder head secondary air ports to remove carbon buildup under specific conditions to 10 years or 120,000 miles, whichever occurs first, from the vehicle's original in-service date for certain 2009-12 Model Year Audi vehicles with 3.2L engine, and certain 2009-2013 Model Year Audi vehicles with 3.0T engines. The vehicle's original in-service date is defined as the date the vehicle was delivered to either the original purchaser or the original lessee; or if the vehicle was first placed in service as a "demonstrator" or "company" car, on the date such vehicle was first placed in service. The warranty extension is fully transferable to subsequent owners. Audi has determined that under certain driving conditions, carbon buildup can occur in the engine cylinder head secondary airports. Due to the presence of specific fault codes caused by this carbon buildup, the Malfunction Indicator Lamp (MIL) on the instrument cluster may illuminate. The MIL is part of the on-board diagnostic system. In some locales, an illuminated MIL could cause the vehicle to fail an IM emissions inspection, vehicle registration application could be denied. Audi will diagnose, and if necessary clean the engine cylinder head secondary air ports to remove the carbon buildup at no cost to the customer as long as the vehicle is within the time and mileage limits of the warranty extension. This warranty extension covers only the diagnosis and cleaning of the cylinder head secondary air ports to remove the carbon buildup. Reimbursement is applicable only to the repairs described in this Warranty Bulletin.
AWA-13-082017-12-05. Service bulletin. ENGINE AND ENGINE COOLING. Audi has determined that, under specific conditions a faulty intake manifold may cause the Malfunction Indicator Lamp (MIL) on the instrument cluster to illuminate due to the presence of specific fault codes caused by this component. The MIL is part of the on-board diagnostic system. Please refer to the owner's manual for additional information about the MIL. In some locales, an illuminated Malfunction Indicator Lamp could cause the vehicle to fail an IM emissions inspection, and the vehicle registration application could be denied. Be aware that other conditions (unrelated to the issue described in this bulletin) may cause the MIL in the vehicle to illuminate. Customers should be prepared to cover all diagnosis and repair costs for these other, unrelated conditions. This warranty extension covers only the diagnosis and replacement of the intake manifold.
Customer Letter2017-12-05. Service bulletin. ENGINE AND ENGINE COOLING. Audi has determined that, under certain driving conditions, carbon buildup can occur in the engine cylinder head secondary air ports. Due to the presence of specific fault codes caused by this carbon buildup, the Malfunction Indicator Lamp (MIL) on the instrument cluster may illuminate. The MIL is part of your on-board diagnostic system. Please refer to your owner's manual for additional information about the MIL. In some locales, an illuminated Malfunction Indicator Lamp could cause your vehicle to fail an IM emissions inspection, and your vehicle registration application could be denied. Please be aware that other conditions (unrelated to the issue described in this letter) may cause the MIL in your vehicle to illuminate. Customers should be prepared to cover all diagnosis and repair costs for these other, unrelated conditions.
A011370 2018260-2017-11-17. Service bulletin. ENGINE; ELECTRICAL SYSTEM:WIRING. Supersedes Technical Service Bulletin Group 97 number 10-06 dated June 4, 2010. MIL on. A number of incident memory entries with regard to the throttle valve are stored in the ECM. In most cases, the entries are sporadic. Contact resistance in the ECM wiring - throttle valve.
A011386 2033630-2017-11-17. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE. MIL on. Rough idle. DTCs are stored in the Engine Control Module (ECM), J623 (address word 01). Engine may have reduced performance without significant loss of power or stalling. 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.
A011373 2033223-2017-11-17. Service bulletin. ENGINE AND ENGINE COOLING. The engine warning light is on after engine replacement. The engine is not running roughly. However, the engine control module, J623 (01), is storing one or more of the following engine misfire fault codes: DTCs P0300 - P0304. The fault codes occur at light load, between 8% and 14% accelerator pedal position. The programmed values for the misfiring recognition are not automatically reset by deleting the memory once.
A191335 2025303-2017-11-17. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 19 number 11-19 dated February 10, 2011. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been introduced in MY 2005 for all engines. G13 has been introduced in MY 2008 as factory filling and service.
A191562 2025303-2017-11-17. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 19 number 15-61 dated July 7, 2015. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been introduced in MY 2005 for all engines. G13 has been introduced in MY 2008 as factory filling and service.
A171565 2038129-2017-11-17. Service bulletin. ENGINE. Supersedes Technical Service Bulletin Group 17 number 15-63 dated June 2, 2015. A check with the engine oil service dipstick T40178 is necessary, but the adjustment values for the dipstick are not available in the Elsa repair manual. Because of a system change, the adjustment values for the service dipstick T40178 were removed from the repair manual.

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