Service Bulletins
Manufacturer Technical Service Bulletins (TSBs) issued to authorized dealers — software updates, repair procedures, fault-code fixes, and warranty coverage details for current and recent model years.
2017-2025 Audi A3 S3 TT TTS Gearbox Fault P174A00 P174E00
Audi has released Technical Service Bulletin 2077475/1 for 2017-2025 A3, S3, TT, and TTS models concerning a gearbox fault warning light and DTCs P174A00 or P174E00. The TSB details a repair involving the mechatronic unit contact plate.
2025 Audi A3/S3 Drive System Warning DTC P164700
Audi has issued TSB 2077114/2 for 2025 A3 and S3 models experiencing 'drive system warning', 'travel assist' messages, or non-functional 'Audi drive select'. This issue is linked to DTC P164700 and U111000, caused by a software problem. A solution is expected by Q2 2025, and no parts should be…
2025 Audi A3/S3 Drive System Warning DTC P164700 TSB
Audi has issued Technical Service Bulletin 2077114/1 for 2025 A3 and S3 models addressing a 'drive system warning' or 'travel assist not working' message, often accompanied by DTC P164700. This issue stems from a software problem preventing correct initialization after ignition.
2025 Audi S3 'Vehicle Electronics: Fault' TSB 2076134/3
Audi Technical Service Bulletin 2076134/3 addresses the 'Vehicle electronics: fault. Shift to P before leaving vehicle' message in 2025 Audi S3 and A3 models. This TSB explains the cause related to seat belt monitoring and associated DTCs U112300 and B101C07.
2025 Audi S3 Databus Error DTC U112300 TSB
Audi has issued a manufacturer communication (NHTSA ID 11015764) regarding Diagnostic Trouble Code (DTC) U112300, 'Databus error value received,' affecting 2025 Audi S3 and A3 models. This electrical system fault can indicate communication issues between vehicle control modules.
2024-2025 Audi A3/Q3 Front Anti-Roll Bar Noise TSB
Audi TSB 2076544/3 details a front-end noise issue in 2024-2025 Audi A3, S3, RS 3, and Q3 vehicles. The noise, described as chattering, crunching, or creaking, is caused by the front anti-roll bar resting against the subframe due to dimensional inaccuracies. The repair involves replacing the…
2022-2024 Audi A3 / S3 / RS 3 Radiator Blind Fault (TSB 2073088/3)
Audi has issued TSB 2073088/3 for 2022-2024 A3, S3, and RS 3 models experiencing a 'Radiator blind fault' message and a 10 mph speed limit. This document addresses DTCs like P05AF00 and advises against component replacement for now.
2021-2025 Audi U010100 Lost Communication with TCM TSB
Audi has released Technical Service Bulletin 2074475/3 addressing Diagnostic Trouble Code U010100, indicating 'Lost Communication with TCM'. This TSB applies to various 2021-2025 Audi A3, S3, RS 3, and Q3 models and provides guidance on how to handle this intermittent fault.
2024 Audi A3/Q3/S3/RS3 Front End Noise TSB 2076544/2
Audi has released Technical Service Bulletin 2076544/2 for 2024 A3, Q3, S3, and RS3 models addressing "noise from front end of the vehicle" caused by the anti-roll bar contacting the subframe. Learn about symptoms and the repair.
2024-2025 Audi A3 / S3 / RS 3 Air Flow Intensity Issue
Audi has identified a software issue (Transaction Number 2074919/2) affecting 2024-2025 A3, S3, and RS 3 models where the air flow intensity does not increase when the manual air conditioning blower is set higher than level 4. A service solution is expected by the third quarter of 2025.
2022-2024 Audi A3/S3/RS 3 Radiator Blind Fault TSB
Audi has released Technical Service Bulletin 2074984/3 to address a "Radiator blind - fault" warning message and an incorrect maximum speed limit display in 2022-2024 Audi A3, S3, and RS 3 vehicles. This TSB outlines a software update for the virtual cockpit to resolve the issue.
2023-2024 Audi A3/S3/RS3 Instrument Cluster 'No Entries Available' TSB
Audi has released TSB 2073608/2 to address an issue in 2023-2024 A3, S3, and RS3 models where the instrument cluster displays 'No entries available' for call and media lists, often accompanied by DTC U105400. A software update is available.
2025 Audi A3 / S3 Engine Warning Lamp DTC P162400
A software issue in the electromechanical brake servo control unit can cause the engine warning lamp to illuminate permanently in 2025 Audi A3 and S3 models. This issue logs DTCs P162400 and U034B00. A temporary workaround involves clearing the DTCs, and a permanent solution is expected by Q1 2025.
2025 Audi A3/S3 P to D/R Shift Issue TSB 2071692/5
Audi Technical Service Bulletin 2071692/5 describes an issue where 2025 Audi A3 and S3 vehicles may not allow shifting from Park to Drive or Reverse, or may automatically revert to Park. This is often related to the seat occupied recognition system and driver seat belt use.
2021-2025 Audi A3, S3, Q3 Front End Squeak TSB 2043424/18
Audi has issued Technical Service Bulletin 2043424/18 to address creaking and squeaking noises originating from the front end of various A3, S3, and Q3 models when driven on uneven roads. The issue is linked to the rear suspension link bush.
2025 Audi A3/S3 Onboard Supply Unit Mileage Issue TSB
This Technical Service Bulletin (TSB) 97 24 11 2075086/2 addresses a system-related issue in 2025 Audi A3 and S3 models where the onboard supply control unit (J519) may fail to activate correctly or write mileage after replacement. It provides a detailed repair procedure for technicians.
2025 Audi A3 / S3 'Vehicle electronics: fault' TSB
Audi has issued Technical Service Bulletin 34 24 74 2076134/2 for 2025 Audi A3 and S3 models regarding an intermittent "Vehicle electronics: fault. Shift to P before leaving vehicle." message. This TSB explains the cause (seat belt monitoring) and advises owners on how to prevent it.
2022-2024 Audi A3/S3/RS3 Radiator Blind Fault TSB
Audi has issued Technical Service Bulletin 2073088/2 for 2022-2024 A3, S3, and RS 3 models addressing a 'Radiator blind fault Maximum speed limited to 10 mph' message and associated DTCs like P05AF00. This TSB advises against component replacement as a solution is expected in Q1 2025.
2021-2025 Audi/VW Control Module Parts Return SM 78-2024
Audi and Volkswagen have issued Special Notice SM 78-2024, requiring dealers to return specific control module part numbers (5WA-907-379-DF-REP, 5QA-907-379-BA-REP, 5QA-907-379-BB-REP) by January 3, 2025. This ensures proper inventory management and credit.
2025 Audi A3/S3 Mirror Heating Inoperative in Efficiency Mode
Owners of 2025 Audi A3 and S3 vehicles may notice their exterior rear view mirror heating is inoperative when Audi Drive Select is in efficiency mode. Audi Technical Service Bulletin 66 24 14 2076087/1 clarifies this is normal operation due to efficiency requirements, and no repair is necessary.
2025 Audi A3 / S3 PSS Warning, Engine/Transmission Locked
If your 2025 Audi A3 or S3 displays 'Drive system: fault' or 'Gearbox: fault' messages upon startup, and logs DTCs P157000 or P170100, a Technical Service Bulletin (TSB 2075847/1) addresses this issue. This TSB explains that a software update is the eventual solution.
2024-2025 Audi Key Adaptation Issue TSB 57 24 66 2075132/2
Audi Technical Service Bulletin 57 24 66 2075132/2 details a problem where vehicle keys cannot be adapted to the immobilizer in certain 2024-2025 Audi RS 3, A3, S3, Q3, and Q4 e-tron models. This TSB provides diagnostic steps and a specific repair procedure to resolve the key recognition issue.
2025 Audi A3 / S3 'Vehicle electronics: fault' TSB
This Technical Service Bulletin (TSB) 2076134/1 addresses the 'Vehicle electronics: fault. Shift to P before leaving vehicle.' message in 2025 Audi A3 and S3 models, often accompanied by DTCs U112300 and B101C07. It clarifies the cause related to belt buckle monitoring and important warranty…
2022-2025 Audi/VW Control Unit H53 Return Notice
Volkswagen Group's Special Notice SM 66-2024 instructs dealers to return 5WA-980-556-B Control Units with hardware version H53 for 2022-2025 Audi A3, S3, RS 3, and VW GTI, Golf R vehicles. Parts must be returned by November 13, 2024, to receive credit.