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Service bulletins for the 2020 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.

1010 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
A1923432069248_52023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the red coolant warning light or the MIL is illuminated, DTC P218100 and/or P1BB400.
A1923422069248_42023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin provides information for when the red coolant warning light or the MIL is illuminated, DTC P218100 and/or P1BB400.
A1923412062951_32023-10-05. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin provides information for when the red coolant warning lamp is on and the DTCs P218100, P017B00, P017C00, and/or P017E00 are stored in the ECM.
A1323192071114_12023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This bulletin provides information for when the engine oil level is too low, and oil consumption is too high.
A0123792069351_42023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the MIL is on, there is a whistling noise, leaking air Bank 2 - DTC P227900, Engine Crankcase breather.
A0123782071318_22023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This bulletin provides information for when the MIL is on, there is a whistling noise, leaking air Bank 2 - DTC P2ADF00, Engine Crankcase breather.
A0023732061669_22023-10-05. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information on workshop mode with Audi connect vehicles.
A0023712070568_12023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
Dealer 24iY2023-09-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Dealer Letter to announce Repair Available – Emissions Service Action 24iY / ECM Software
Circular 24iY2023-09-01. Service bulletin. ELECTRICAL SYSTEM. Some on-board diagnostic (OBD) functions do not fully meet certain regulatory requirements. Consequently, the MIL may not illuminate when a misfire event occurs. This issue has no impact to tailpipe or evaporative emissions. Install updated engine control module (ECM) software.
A9123262071264_12023-09-01. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT. This bulletin provides information for when the customer has concerns about the navigation route guidance.
A9123222061028_52023-09-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information for when there are no Audi connect services in the MMI, and the SOS LED does not turn green after PDI.
A9123212071185_12023-09-01. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for various connectivity via bluetooth, AMI, or ASI when using CarPlay with Apple iOS devices.
A9123192056076_12023-09-01. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when there is no communication to the telematics control module, DTC U142100.
A8723512064077_22023-09-01. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
A8723502068460_42023-09-01. Service bulletin. VISIBILITY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information for when the air conditioning does not cool, DTCs P053000, or P251500 stored in C5.
A5523792070966_12023-09-01. Service bulletin. STRUCTURE:BODY:TRUNK LID. This bulletin provides instructions for disabling and reengaging the gesture controlled rear lid (virtual pedal).
A4823542062288_42023-09-01. Service bulletin. STEERING:STEERING WHEEL /HANDLE BAR:YAW/ANGLE SENSOR. This bulletin provides information for when the steering column adjustment is not working and DTC B14BF01 is stored in the BCM 1.
A4823532065978_32023-09-01. Service bulletin. STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER. This bulletin provides information for when the steering wheel heating does not heat up sufficiently.
A4423022065160_22023-09-01. Service bulletin. EQUIPMENT; TIRES:TEMPORARY/EMERGENCY SPARE TIRE. This bulletin provides information for when the collapsible wheel does not fully inflate using the toolkit.
A4223532038689_72023-09-01. Service bulletin. SUSPENSION:REAR; SUSPENSION. This bulletin provides information for when there is a rattle noise from the rear suspension.
A4023672047920_72023-09-01. Service bulletin. ENGINE. This bulletin provides information when there are noises from the front end and dash panel when the vehicle is moving.
A8723532061660_22023-09-01. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information for when the air conditioning does not cool, and DTC B16A284 is stored in the thermal management control module.
A4323782059363_42023-09-01. Service bulletin. SUSPENSION. This bulletin provides information for when there is an air suspension malfunction warning in the cluster; DTC C1260F0 or U112100.
A1923402069248_32023-09-01. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the red coolant warning lamp or MIL illuminate with DTC P218100 and/or P1BB400.

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