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Service bulletins for the 2020 Audi A3

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
DC_RECALLS2023-01-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SAFETY RECALLS, COMPLIANCE RECALLS and STOP SALES
A5722002022032102023-01-06. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LOCK. This technical service bulletin provides troubleshooting information for the vehicle locking system.
A9722892061976_32022-12-06. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains guidance for submitting warranty wiring repairs.
A9122472062466_32022-12-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin describes the ways in which a variety of Audi vehicles connect to Apple Wireless CarPlay, and the methods to troubleshoot connection concerns.
A9122462065728_42022-12-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin describes an error which may arise due to a bug in the software of a customer's phone, which causes the Apple CarPlay screen to appear blank, and for audio drop-outs.
A9122452068435_12022-12-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI. This bulletin states that due to a software malfunction in Apple iOS Version 16.0.x there are restrictions with bluetooth connection.
A3422612067365_22022-12-06. Service bulletin. FUEL SYSTEM, OTHER. This bulletin describes the appropriate repairs in instances where an oil leak is found near the transmission oil cooler.
A2022512065287_52022-11-04. Service bulletin. EQUIPMENT:ELECTRICAL. If DTC P044200 or P045600 are present, the GX36 may need to be replaced.
DC_69BY_UPD2022-11-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer Communication - Important Update about 69BY
A4622352034143_82022-11-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin contains instructions for opening a TAC ticket for ceramic brake repairs.
A4022482043424_12022-11-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains repair information for when there is a creaking or squeaking noise from the front of the vehicle. This only occurs on uneven roads.
A2422602067937_12022-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin offers further guidance regarding diagnosis and system information for vehicles with a 48 V electrical system.
A2022492065287_42022-10-05. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER. This bulletin advises to replace the EVAP LD Pump if DTC P044200 or DTC P045600 are present under specific circumstances.
A1722202067906_12022-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides detailed instructions for diagnosis when DTC P0A7D00 is present.
A0022582045316_62022-09-01. Service bulletin. ELECTRICAL SYSTEM:IGNITION. This bulletin contains information for diagnosing the Start/Stop system.
A5522702062669_22022-09-01. Service bulletin. STRUCTURE. This bulletin advises that noises from the trunk lid struts heard during operation are normal and no repair is required.
A4622342034181222022-09-01. Service bulletin. SERVICE BRAKES. This technical service bulletin provides troubleshooting for brake noise.
A8722302067716_12022-09-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin advises that techs should document the specific o-ring seal that is replaced if a refrigerant leak is found and caused by the o-ring seal.
A9222302038151122022-08-04. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER. This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct.
A6422852020552112022-08-04. Service bulletin. VISIBILITY; EQUIPMENT. This bulletin provides instructions on how to properly clean exterior glass.
A9222312067557_12022-08-04. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. This bulletin advises that the window washer pump may become blocked due to frozen washer fluid; one more more DTCs may be present: DTCs B126101, B126111, or B126113.
A4022462047758_82022-08-03. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER; STEERING; SUSPENSION:REAR:SHOCK ABSORBER. This bulletin states to lightly lubricate the contact surface between the buffer stop for the shock absorber, and the front shock absorber cap to address cracking noises/spring jumps when steering or maneuvering.
A4822342065978_22022-08-03. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER. This bulletin explains that the steering wheel may warm up while being held leading to the impression that he steering wheel isn't heating evenly.
A3422582067365_12022-08-03. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This bulletin describes the appropriate repairs in instances where an oil leak is found near the transmission oil cooler.
A9022732052299_52022-07-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains repair instructions for proper transport mode deactivation (DTC U142100, DTC P169A00, and U13EB00 ).

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