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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
A4821982063042_12021-05-06. Service bulletin. STEERING. This bulletin states to follow the instructions depending a passive or active entry for DTC B200FF0 with the steering warning lamp on.
A6421792047061_32021-05-06. Service bulletin. EQUIPMENT:OTHER:LABELS. This bulletin contains a cleaning procedure from leftover residue from suction cups or labels.
A9121872062742_12021-05-06. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. This bulletin contains a software update for when "Safe CP" and Airbag Warning with various DTCs logged.
A7021722038029_82021-05-06. Service bulletin. STRUCTURE; EQUIPMENT. This bulletin contains repair instructions for various squeaks and/or rattles that are heard from the roof area on vehicles equipped with pananormic sunroof.
A5721752022032_92021-05-06. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. This technical service bulletin provides troubleshooting information for the vehicle locking system.
A2721372058831_22021-05-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update for DTC P0CA700 or U046900.
A9121862062713_12021-04-06. Service bulletin. EQUIPMENT. This bulletin contains repair instructions for when there is radio static when the rear heater is active.
A9421362023322_32021-04-06. Service bulletin. EXTERIOR LIGHTING. This informational bulletin contains information on the different shading of LED headlights.
A8021112062583_12021-04-06. Service bulletin. EQUIPMENT. This bulletin contains instructions for addressing an insufficient or uneven heating performance from the HVAC system.
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.
A9121782050565_32021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains general software update instructions for vehicles with PR Code 7UH.
A9121762037809_82021-04-06. Service bulletin. EQUIPMENT. This informational bulletin contains instructions about updating the navigation map.
A4821952062288_22021-04-06. Service bulletin. STEERING. This bulletin contains repair instructions for when the electric steering column is not working in the vertical direction.
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.
A1021212059446_42021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains repair instructions for when oil is lost in the engine compartment.
A4821932062288_12021-03-04. Service bulletin. STEERING. This bulletin contains repair instructions for when the electric steering column is not working in the vertical direction.
A4621252054385_22021-03-04. Service bulletin. EQUIPMENT; SERVICE BRAKES. This informational contains an explanation for when the customer hears creaking noises when braking at almost standstill (crawling when pulling away or briefly before standstill).
A9721782061976_12021-03-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains guidance for submitting warranty wiring repairs.
A9421342012749_12021-03-04. Service bulletin. EXTERIOR LIGHTING. This bulletin contains instructions for addressing condensation in the headlights.
A4621222051095_42021-03-04. Service bulletin. EQUIPMENT. This informational bulletin contains instructions on how to download and use the Audi Frequency App.
A9421332061922_12021-03-04. Service bulletin. EQUIPMENT. This informational contains instruction on how to document optical concerns for warranty claims.
A4621242034181182021-03-04. Service bulletin. SERVICE BRAKES. This technical service bulletin provides troubleshooting for brake noise.
A4621232022584102021-03-04. Service bulletin. SERVICE BRAKES. This informational bulletin provides diagnostic information for brake conditions.
A4421802056386_42021-03-04. Service bulletin. STEERING. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
A6621692030471_62021-03-04. Service bulletin. EQUIPMENT. This informational bulletin covers the condition of when license plate mounting bracket threaded inserts are stripped.

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