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Service bulletins for the 2010 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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
1913462033491 52021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. Customer may report coolant leaking from the engine area.
1713462030197 122021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. Upon customer complaint of excessive engine oil consumption.
A1921182061604_42021-06-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin contains instructions for resolving a coolant leak.
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.
A1921152061604_32021-05-06. Service bulletin. ENGINE. This bulletin contains instructions for resolving a coolant leak.
A1921142061604_22021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for resolving a coolant leak.
A1721122060750_22021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A5520512014055_82021-01-08. Service bulletin. EQUIPMENT; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions for addressing discoloration due to moisture on a new vehicle.
A1920102061604_12021-01-08. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for resolving a coolant leak.
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.
A1920042025303_12020-07-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for identifying and mixing factory fill coolants.
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.
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.
A011886 2035454-2018-11-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This technical service bulletin contains instructions for pressure washing ports to resolve an "AIR system -- action required" message.
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.
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.

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