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Service bulletins for the 2014 Audi S8

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.

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

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By component

By trouble code

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Bulletins, newest first
A011744 20491532018-04-16. Service bulletin. UNKNOWN OR OTHER. This bulletin contains continued instructions after completing 2041097.
A011854 2046724_2018-04-16. Service bulletin. EQUIPMENT. This bulletin contains a software update to address occasional stalling or running erratically without a DTC. Occasional "System too rich" entries.
A171566 2040644-2018-03-13. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 17 number 15-64 dated June 3, 2015. A metallic whistling or grinding sound is heard from the engine compartment when the vehicle is at idle speed. The sound usually only occurs when the engine is warm. The MIL is sporadically on. DTCs are stored in the ECM. A leak in the crankcase breather module (pressure regulating valve) can cause this condition.
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.
A261630 2045720-2018-03-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin provides information regarding the replacement of the front muffler if vibrations are noticed in the seat or center arm rest.
21F2 - Dealer Le2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. On Audi vehicles with 4.0L TFSI engines manufactured within a specific period, the O-rings in the coolant lines for the turbocharger may be damaged. This can result in leaks between the coolant lines and the turbocharger.
A191787 2045456-2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING. This is an information bulletin regarding procedure for when the technician finds coolant marks during a repair.
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.
A191788 2036167-2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions for a slow coolant leak from coolant connections.
A301722 2019850-2018-02-05. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. This technical service bulletin provides guidelines for diagnosing the clutch plate.
A441764 2022563-2018-02-05. Service bulletin. SUSPENSION:FRONT. This bulletin provides information regarding vibrations or movement that are felt in the wheel.
A191785 2047114-2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin contains repair information for a malfunctioning V50 coolant recirculation pump that prevents the passenger side from heating properly with DTC B10D004 or B11D501.
A011708 2041097-2018-02-05. Service bulletin. ENGINE. This technical service bulletin provides instructions for troubleshooting and repairing the camshaft adjustment valve to correct a concern about the engine running irregularly.
ATE-17-052018-02-05. Service bulletin. EQUIPMENT. Due to increasing requests for high voltage personal protective equipment (HVE PPE) for dealer technicians working with high voltage vehicles (Hybrid, Plugin Hybrid, Electric Vehicle), the Volkswagen Tools and Equipment Team has identified two US based suppliers to support dealers in USA and Canada.
A271729 2036392-2018-02-05. Service bulletin. SUSPENSION. This technical bulletin provides software instructions for vehicle vibration between 1000 rpm and 3000 with two DTCs.
A191784 2045456-2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING. This is an information bulletin regarding procedure for when the technician finds coolant marks during a repair.
A191782 2036167-2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions for a slow coolant leak from coolant connections.
A211725 2046724-2018-02-05. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update to address occasional stalling or running erratically without a DTC. Occasional "System too rich" entries.
A201788 2043357-2018-02-05. Service bulletin. COMMUNICATION; FUEL SYSTEM, OTHER; AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE. This technical service bulletin provides a software code for correcting an issue that causes DTC P046100.
A191781 2047114-2018-02-05. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. This bulletin contains repair information for a malfunctioning V50 coolant recirculation pump that prevents the passenger side from heating properly with DTC B10D004 or B11D501.
A191780 2047114-2018-02-05. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. This bulletin contains repair information for a malfunctioning V50 coolant recirculation pump that prevents the passenger side from heating properly with DTC B10D004 or B11D501.
A011706 20467242018-02-05. Service bulletin. COMMUNICATION. This bulletin contains a software update to address occasional stalling or running erratically without a DTC. Occasional "System too rich" entries.
A921613 2038151-2018-02-05. Service bulletin. EQUIPMENT. This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct.
A921612 2038151-2018-02-05. Service bulletin. EQUIPMENT. This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct.
A441663 2022563-2018-02-05. Service bulletin. SUSPENSION:FRONT. This bulletin provides information regarding vibrations or movement that are felt in the wheel.

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