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Service bulletins for the 2006 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.

350 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
17123220185502024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. Oil consumption measurement - Repair Authorization (CA)
01137020182602024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. MIL on (P1545, P0121, P0123, P0221 or P0222 stored in ECM)
Edition922023-02-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. Idenifying and mixing factory fill engine coolants
011376201826072022-10-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Contact resistance in the ECM wiring ? throttle valve.
001466203794912022-10-31. 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.
011376201826072022-09-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. Contact resistance in the ECM wiring ? throttle valve.
13352010043132022-08-01. Service bulletin. ENGINE AND ENGINE COOLING. Engine oils that meet Audi Oil Quality Standards.
1339202478432022-08-01. Service bulletin. BACK OVER PREVENTION; ENGINE AND ENGINE COOLING. Deposits or coolant residues obstruct the electric transition on the sensor in the reservoir. This affects the coolant level display
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.
A1721122060750_22021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks.
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.
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.
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.
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.
A171338 2012913-2017-11-17. Service bulletin. ENGINE. Supersedes Technical Service Bulletin Group 17 number 10-07 dated June 3, 2010. Oil filter cartridge requires replacement.
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.
A191341 2025303-2017-11-17. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 19 number 13-35 dated March 25, 2013. 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.
A171232 2018550-2017-11-08. Service bulletin. ENGINE. Supersedes Technical Service Bulletin Group 17 number 12 - 31 dated August 30, 2012. Oil consumption measurement - Repair Authorization (CA). In order to provide effective lubrication and cooling of internal engine components, all internal combustion engines consume a certain amount of engine oil. Oil consumption varies from engine to engine and may change significantly over the life of the engine. Typically engines with specified break-in periods consume more oil during the break-in period, and the oil consumption will stabilize after the break-in period. Refer to the Owner's Manual for specific break-in procedures. Under normal conditions, the rate of oil consumption depends on the quality and viscosity of the oil, the RPM at which the engine is operated, the ambient temperature and road conditions. Additional factors are the amount of oil dilution from water condensation or fuel residue and the oxidation level of the oil.
A191450 2025303-2017-11-08. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 19 number 13-41 dated June 20, 2013. 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.
A011457 2015106-2017-11-08. Service bulletin. ENGINE. Supersedes Technical Service Bulletin Group 24 number 11-06 dated December 7, 2011. The MIL is on. DTCs are stored in the ECM. Due to fuel intrusion into the low-pressure system fuel pressure sensor (G410), a false signal may be sent to the controller, resulting in a reading that is out of tolerance. Comparing Measured Value Block 103 with 106 is not an accurate method for diagnosing G410. In order to diagnose G410 accurately, use a mechanical gauge and compare results with the low-side fuel pressure Actual Value in Measured Value Block 103.
A101310 2018288-2017-10-31. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 10 number 10-02 dated September 14, 2010. Prior to engine replacement, any debris lodged in transferred assemblies must be removed. If the vehicle's engine experienced a serious mechanical problem, it is possible that small pieces of metal debris resulting from the mechanical problem may have become deposited in the intake manifold, air intake hoses, exhaust manifolds, exhaust down-pipes, turbocharger, supercharger, and/or intercooler. If these pieces are not removed prior to the installation and operation of the replacement engine, the pieces may be drawn into the combustion chamber, which can cause a knocking noise and subsequent serious engine damage.
A011507 2028344-2017-10-25. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 01 number 13-69 dated February 14, 2013. Noises and inconsistent engine operation after cold start during the catalyst heating phase. The customer may misinterpret these symptoms as engine misfiring. This bulletin applies only to non-diesel engines.

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