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Service bulletins for the 2020 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.

1291 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
A1721142059366_72021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for an "oil minimum" message and low oil on the dipstick.
A1721132059366_62021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for an "oil minimum" message and low oil on the dipstick.
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.
A1921122061918_22021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank.
A1521372053278_62021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody.
A5721722055932_62021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains a software update for DTC B122D29 or U122800 and a potential part replacement.
A1721122060750_22021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A1921112061918_12021-02-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank.
A1521362053278_52021-02-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody.
A0121962060429_22021-02-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions for when there may be a noise from the exhaust flap or there are DTCs sporadically stored in the ECM.
A9120392061490_12020-12-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This bulletin covers Audi connect: oil level in the myAudi app is implausible
A1320092060876_12020-11-05. Service bulletin. ENGINE; EQUIPMENT. This bulletin states to continue diagnosis when there are corrosion marks with DTC P030000.
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.
A1520352053278_42020-11-05. Service bulletin. ENGINE; STRUCTURE:BODY. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody.
A0020422045316_52020-11-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE. This bulletin contains information for diagnosing the Start/Stop system.
A9020682059891_22020-10-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This informational bulletin directs you to read the SSP and not perform any repairs for the concern.
A2020302060377_22020-10-06. Service bulletin. ENGINE. This bulletin contains repair instructions for when DTC P310B00 is stored and the engine does not start or intermittently does not start.
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.
A0120832060429_12020-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin contains instructions for when there may be a noise from the exhaust flap or there are DTCs sporadically stored in the ECM.
A0120822058767_62020-09-03. Service bulletin. ENGINE; EQUIPMENT. This bulletin contains instructions for DTCs P218100, P017B00, P308100, and P01E400.
A1920062060420_12020-09-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP; ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL. This bulletin contains repair instructions for a noise in the engine compartment without a DTC.
A2020292060377_12020-09-03. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY; ENGINE; FUEL SYSTEM, OTHER. This bulletin contains repair instructions for when DTC P310B00 is stored and the engine does not start or intermittently does not start.
A0120762054893_32020-09-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This bulletin contains instructions for documenting the "Please reduce Oil Level" message in the instrument cluster potentially with an Engine Warmup request.
2010-2021EngOil2020-09-03. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New document
A1720092059366_52020-09-03. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for an "oil minimum" message and low oil on the dipstick.

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