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Service bulletins for the 2014 Audi A8

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.

1325 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
A1921172048936_32021-06-03. Service bulletin. ENGINE AND ENGINE COOLING. This is an information bulletin regarding procedure for when the technician finds coolant marks during a repair.
A1721162060033_32021-06-03. Service bulletin. ENGINE. This bulletin contains repair instrructions for when there are noises in the engine compartment with DTC P052E00.
A1321132062387_12021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for determining if a repair is needed when coolant touches a poly V-belt and/or a toothed belt.
A1721122060750_22021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A2120362044640_92020-12-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ELECTRICAL SYSTEM:STARTER ASSEMBLY. This bulletin contains repair instructions for when the engine cannot be started or it is difficult, there is unusual noises when accelerating and/or there is reduced engine performance.
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.
A0020422045316_52020-11-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE. This bulletin contains information for diagnosing the Start/Stop system.
EmailAUTDI2L-3L2020-10-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Reminders - TDI Approved Emissions Modifications, Emissions Compliant Repairs, corrections and extended warranty / warranty policy and loaner vehicle overview
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.
A1720102060033_22020-09-03. Service bulletin. ENGINE. This bulletin contains repair instrructions for when there are noises in the engine compartment with DTC P052E00.
2010-2021EngOil2020-09-03. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New document
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.
A1720072060033_12020-08-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This bulletin contains repair instructions for when there are noises in the engine compartment with DTC P052E00.
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.
A1720992040644112020-04-02. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides repair instructions on diagnosing and replacing a leak in the crankcase breather module.
A1920012048936_22020-03-05. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING. This is an information bulletin regarding procedure for when the technician finds coolant marks during a repair.
14A8A8LS8FLDCAP2020-02-08. Service bulletin. ENGINE; EQUIPMENT. A8L 6.3L W12 CEJA engine oil capacity changed to 11.2L (11.8 qts).
A0119252055816_22019-10-02. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains repair instructions for DTCs P007000 and P208000.
Dealer 26L92019-09-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Exhaust Gas Recirculation (EGR) Cooler
Circular 26L92019-09-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Exhaust Gas Recirculation (EGR) Cooler
Circular 23Z82019-09-10. Service bulletin. ENGINE AND ENGINE COOLING. Audi is releasing a software calibration update to the Approved Emissions Modification (AEM) to improve on-board diagnostics (OBD) monitoring of vehicle emissions systems and provide other improvements to the software used by the vehicle. Additionally, to reduce soot accumulation affecting the oxygen sensor, it is necessary to replace and relocate the sensor, which requires replacement of the diesel oxidation catalyst (DOC) and diesel particulate filter (DPF).

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