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Service bulletins for the 2020 Audi S3

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
A4623502022584122023-10-05. Service bulletin. SERVICE BRAKES. This bulletin provides information on brake pulsation diagnostic guidelines.
A4623492067132_22023-10-05. Service bulletin. SERVICE BRAKES. This bulletin provides information on for when there is corrosion on the friction surface of a steel brake disc.
A4623482034181242023-10-05. Service bulletin. SERVICE BRAKES. This bulletin provides information on brake noise analysis and handling.
A4423032022563232023-10-05. Service bulletin. STEERING. This bulletin provides information for when a steering wheel shimmy, vibration, and/or oscillation is reported.
A4023682047920_82023-10-05. Service bulletin. STRUCTURE:INTERIOR PANELS:DASHBOARD. This bulletin provides information for when there are noises from the front end dash panel when the vehicle is moving.
A3523442070217_12023-10-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This bulletin provides information for when the Gearbox warning comes on, and various DTC memory entries are stored in the TCM.
A2723602067906_32023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin provides information for when DTC P0A7D00 is stored.
A2723592069747_42023-10-05. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin provides information for document requirements before replacing a 12v battery.
A1923442071515_12023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin provides information for when there is a coolant leak on a 2.0L engine.
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.
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.
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.
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.
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.
A9223362038151152023-08-04. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. This bulletin provides information for when the washer solvent level warning is on.
A9123142065728_52023-08-04. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when the Apple CarPlay screen is blank.
A9023322059335_42023-08-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information for when there is noise from the area around the instrument cluster.
A8723452041717_92023-08-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information on the GFF test plan required when replacing the A/C compressor.
A6423922020552_12023-08-04. Service bulletin. VISIBILITY. This bulletin provides information for when exterior glass cleaning is needed.
A6923922063398_32023-07-10. Service bulletin. SEAT BELTS. This bulletin provides information for when the seatbelt is hard to latch in the belt buckle.
A6923912056406_42023-07-10. Service bulletin. AIR BAGS. This bulletin provides information for when the airbag warning light is on and DTC B13BCF2 is stored in the airbag control module.

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