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Service bulletins for the 2014 Audi S5

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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
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.
A011862 2050329_2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This bulletin contains repair instructions for when the MIL is on and there are one of several DTCs stored in the ECM.
A011748 2040403-2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This technical service bulletin instructs the reader to replace either a combi valve or vacuum solenoid valve depending on the circumstances under which DTC P244000 and/or P244200 were stored.
A011685 2041120-2018-03-13. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This bulletin provides information regarding a software update for DTC P042000 and/or P043000.
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.
A0115292041097-12018-02-05. Service bulletin. ENGINE; ELECTRICAL SYSTEM. The MIL is on. Customer may report that the engine runs irregularly. DTCs are stored in the ECM. On the camshaft adjustment valve, the filter element can loosen. There is no consequential damage from loosened particles in the oil circuit. They are gathered by the oil filter.
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 G11, G12, and G12+ coolants have been replaced by an improved version.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.
A191789 2046712-2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap.
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.
A011498 2038166-2017-12-05. Service bulletin. ENGINE AND ENGINE COOLING. The engine warning light is on after engine replacement. The engine is not running roughly. However, fault codes are stored in the engine control module (ECM). The fault codes occur at light load, between 8% and 14% accelerator pedal position. The programmed values for the misfire adaption are not automatically reset when the memory is deleted. The adaption must be reset after the engine is installed.
Dealer Letter -2017-12-05. Service bulletin. ENGINE AND ENGINE COOLING. This communication is to inform you of upcoming Update 24Z6. On Audi vehicles with a 3.0L TFSI engine produced during a certain period, it is possible that the membrane on the vacuum actuator for the intake manifold flaps may tear. As a result, the intake manifold flaps do not function and the engine indicator light turns on. Install new manifold actuators.
A011314 2033919-2017-12-05. Service bulletin. POWER TRAIN; ENGINE. MIL on. DTCs are stored in the engine control module. There may be slight power reduction at high RPMs. One of the vacuum actuators on intake runner bank 1 or bank 2 is defective.
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.
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.
A001463 2033576-2017-11-08. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Supersedes Technical Service Bulletin Group 00 number 13-49 dated May 14, 2013. 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.
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.
A011471 2036761-2017-11-08. Service bulletin. ENGINE AND ENGINE COOLING. The MIL is on. DTC P164B(00) is stored in the ECM. The oil pressure switch is defective.
A201431 2035073-2017-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Supersedes Technical Service Bulletin Group 20 number 13-28 dated November 14, 2013. The MIL is on. DTC P045600 (EVAP System Leak Detected NVLD (very small leak)) is stored in the ECM. Drivability is not affected. The NVLD pressure switch may erroneously detect a very small leak.
Reference-Oil Ca2017-11-03. Service bulletin. ENGINE; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This document contains the Audi oil capacity chart.
A871346 2035582-2017-11-03. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING. The A/C Compressor has been diagnosed as faulty and will be replaced under warranty. When performing replacement of an A/C Compressor under warranty, the amount of refrigerant and oil recovered must be documented.

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