Service-Bulletins
Technische Service-Bulletins (TSB) der Hersteller für Vertragswerkstätten — Software-Updates, Reparaturanweisungen, Lösungen für Fehlercodes und Garantiehinweise zu aktuellen Modelljahren.

2024-2026 Audi A3/S3/RS3 AC Not Working TSB 2080697/1
Audi has issued Technical Service Bulletin 2080697/1 for 2024-2026 A3, S3, and RS3 models regarding an intermittent air conditioning system malfunction. This issue may store DTCs B10AE22 and U193500 in the HVAC Electronics module.

2025-2026 Audi A3/S3/RS3 Mirror Heating Issue
A Technical Service Bulletin (TSB 2076087/2) addresses concerns from 2025-2026 Audi A3, S3, and RS3 owners regarding the exterior mirror heating not working. This TSB clarifies that the mirror heating is intentionally disabled when Audi Drive Select is in efficiency mode due to efficiency…

2021-2024 Audi A3/S3/TT Whining Noises TSB 2074764/2
Audi Technical Service Bulletin 2074764/2 describes whining noises from the rear end of 2021-2024 Audi A3, S3, and TT models during acceleration or deceleration. This TSB clarifies that these noises are comfort-related and replacing parts will not resolve the issue.

2022-2025 Audi MIB3 Volume Control Not Working TSB U11B900
Audi has released Technical Service Bulletin 2072873/6 to address issues with the MIB3 infotainment system's volume control and skip buttons not working in 2022-2025 A3, S3, RS 3, e-tron GT, and RS e-tron GT models. The problem is linked to DTC U11B900, indicating a software issue requiring an…

2017-2023 Audi A3, S3, TT Transmission Oil Leak TSB 2067365/3
Audi has released Technical Service Bulletin 2067365/3 to address oil leaks near the transmission cooler in various 2017-2023 Audi A3, S3, and TT models equipped with the DQ-381 transmission. This bulletin outlines diagnostic steps and repair procedures for technicians.

2022-2026 Audi Remote Key Not Working TSB 2080521/1
Audi has issued Technical Service Bulletin 2080521/1 for 2022-2026 A3, S3, RS 3, Q4 e-tron, and Q4 Sportback e-tron models regarding remote control key malfunctions. Owners may find their key unable to lock/unlock the vehicle or its LED not flashing when pressed.

2023-2024 Audi A3 / S3 / RS 3 P0A8200 Cooling Fan Fault
Audi has issued Technical Service Bulletin (TSB) 2080516/1 for 2023-2024 A3, S3, and RS 3 models equipped with the 48V MHEV system. It addresses the 'Vehicle electrical system fault' message and diagnostic trouble code P0A8200, related to the hybrid battery cooling fan or low battery charge.

2022-2023 Audi MIB3 Conbox Software Update
Audi has released a software update for the conbox component within the MIB3 infotainment system. This update, detailed in manufacturer communication NHTSA ID 11027377, applies to various 2022-2023 Audi A3, S3, RS 3, e-tron GT, and RS e-tron GT models.

2022-2024 Audi A3/S3/RS3 Exterior Lighting Warning TSB 2074786/3
Audi Technical Service Bulletin 2074786/3 details a 'Warning lamp for exterior lighting' issue in 2022-2024 A3, S3, RS3, and Q4 e-tron vehicles. This TSB addresses DTCs U112100, U110B00, and B126A29, often resolved by light switch replacement.

2025-2026 Audi A3, S3, RS 3 Transmission Shift Issue TSB
Audi has released Technical Service Bulletin (TSB) 2071692/6 addressing a condition where certain 2025-2026 Audi A3, S3, and RS 3 vehicles may automatically shift from Drive (D) or Reverse (R) to Park (P). This TSB clarifies that this behavior is a safety feature of the seat occupied recognition…

2024-2025 Audi A3, S3, RS 3 Air Flow Intensity Issue TSB
Audi has issued Technical Service Bulletin 2074919/3 for 2024-2025 A3, S3, and RS 3 models regarding a concern where the air flow intensity does not change when the blower level is set higher than 4 in manual AC mode. This is a known software issue.

2023-2025 Audi S3, A3, A5, Q5, Q7, Q8 Analysis List
Audi has released an on-car analysis list dated December 8, 2025, detailing diagnostic information for several issues affecting 2023-2025 Audi models. These include DTC P0A8200 related to the 48V battery cooling fan, problems with B&O extendable tweeters, and vehicles showing incorrect time by one…

2026 Audi A3, S3, RS 3 Driver Assist System Fault
This Technical Service Bulletin (TSB 2080141/1) addresses issues with various driver assist systems not working in 2026 Audi A3, S3, and RS 3 models. Owners may see warnings like 'Lane departure warning: fault' or 'Distance warning: fault' and diagnostic trouble code C12BFF2.

2021-2026 Audi A3/S3/RS3/Q3 Tire Pressure Warning TSB
Audi has released Technical Service Bulletin 2075088/2 to address false tire pressure warnings in the instrument cluster for 2021-2026 A3, S3, RS3, and Q3 models. This issue can be caused by dirt or foreign objects affecting the ABS speed sensors.

2022-2024 Audi A3, S3, RS 3 Airbag Control Module DTC P000000
Audi has released Technical Service Bulletin (TSB) 2070322/5 to address communication and configuration issues with the airbag control module (J234) in 2022-2024 A3, S3, and RS 3 models, often indicated by DTC P000000. This TSB outlines a software update remedy.

2022-2023 Audi MIB3 MMI Software Update TSB
Audi has released Technical Service Bulletin 2079134/2 addressing various MMI functionality issues and 'Emergency call fault' messages in 2022-2023 A3, S3, RS 3, e-tron GT, and RS e-tron GT models. A software update for the MIB3 system and connectivity box is available to resolve these concerns.

2026 Audi Information Electronics (5F) SVM Install Issue
Audi has issued TSB 2079796/1 regarding a software issue affecting the installation of the information electronics control unit (5F) via SVM on certain 2026 models. This can prevent proper programming during replacement, leading to cancelled processes and a temporary halt on repairs.

2024-2025 Audi Virtual Cockpit Display Resets TSB 2076743/2
If your 2024-2025 Audi's virtual cockpit display resets to the on-board computer after the vehicle has been stationary, Technical Service Bulletin 2076743/2 clarifies that this is an intended operational behavior, not a malfunction.

2021-2022 Audi MIB3 Phone Distorted Voice TSB 2079348/1
Audi has issued Technical Service Bulletin (TSB) 2079348/1 to address customer complaints regarding intermittently distorted voice output during phone calls in certain 2021-2022 Audi vehicles equipped with the MIB3 MEB system. This issue, often described as a scratching or tinny noise, is resolved…

2022 Audi A3 Q3 Q4 Distorted Phone Voice Output TSB
Audi has released Technical Service Bulletin 2079596/1 to address customer complaints of intermittently distorted phone voice output in 2022 Audi A3, Q3, and Q4 vehicles equipped with the MIB3 infotainment system. The issue is software-related and requires an update.

2023-2024 Audi S3 / A3 Driver Assist System Fault TSB 2079574/1
Audi has released Technical Service Bulletin 2079574/1 for 2023-2024 Audi S3 and A3 models experiencing various driver assist system malfunctions, including warning messages like 'Traffic sign recognition: fault'. The fix involves a software update for the front camera.

2021-2026 Audi A3/Q3/TT Steering Noises TSB 2047758/13
Audi has released Technical Service Bulletin 2047758/13 to address cracking, clattering, or squeaking noises that may occur when steering 2021-2026 Audi A3, Q3, and TT models. This TSB outlines a lubrication procedure for the suspension bump stops and piston rods.

2022-2026 Audi A3 AC Not Working TSB
This Technical Service Bulletin (TSB 2079244/1) from Audi addresses complaints of air conditioning not working or providing insufficient cooling in 2022-2026 Audi A3 models. The issue is often caused by a refrigerant leak at the expansion valve due to a specific refrigerant line.

2022-2026 Audi A3/S3/RS3 DTC U300100 Brake Servo Issue
This Technical Service Bulletin (TSB) 2079459/1 addresses diagnostic trouble code U300100, which indicates a malfunction in the electromechanical brake servo in 2022-2026 Audi A3, S3, and RS3 models. Owners may see warning messages like 'brake booster malfunction' or an 'EPC indicator display'.