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Service bulletins for the 2011 Audi A5

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.

986 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
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.
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.
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.
A1920042025303_12020-07-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for identifying and mixing factory fill coolants.
A0120622033001212020-06-04. Service bulletin. ENGINE; EQUIPMENT. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
A0020372059437_12020-06-04. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE:DELIVERY. The informational bulletin explains why during COVID-19 there is winter-blend fuel during a warmer season and causing some issues.
A0120582033001202020-05-07. 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.
AWA 19-062020-01-08. Service bulletin. ENGINE; EQUIPMENT. The communication contains the details of the water pump extended warranty.
A0119192033001192019-08-07. 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.
A011902 20330012019-04-08. 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.
A011894 20330012019-02-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
A011893 2033001-2019-02-19. 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.
A011879 2033001-2018-10-15. Service bulletin. EQUIPMENT; ENGINE. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
A241450 2038212-2018-04-16. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. The engine judders or runs erratically. The vehicle judders during acceleration. No event entry is stored in the engine control module (ECM). The air mass meter is suspected to be faulty. Possible incorrect function on the sensor elements of the air mass meter.
A871679 2041717-2018-03-13. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This bulletin applies to any repair that requires replacement of the air conditioning compressor and details how to run a ODIS GFF test plan.
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.
A011730 2033001-2018-02-05. 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.
A851420 2033596-2017-12-14. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 85 number 13-17 dated May 15, 2013. DTCs may be stored in the heating and air conditioning electronics control module (address word 08). Improper operation of the fresh air blower could be caused by a faulty printed circuit board in the fresh air blower control module and/or the carbon brushes bind in the brush holder and, as a consequence, lose contact with the motor commutator of the fresh air blower.
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.
A191453 2039018-2017-12-05. Service bulletin. ENGINE AND ENGINE COOLING. A small amount of dry or crusted coolant is seen on the coolant pump housing. The coolant level warning is not on. A minor coolant leak is possible during the break-in phase of the coolant seal on the coolant pump. The dry coolant marks are normal.
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.

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