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Service bulletins for the 2015 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.

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

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
TSB_2074808_42026-06-04. Service bulletin. POWER TRAIN. The high-voltage batteries in electric vehicles are subject to various ageing effects which could lead to the energy content (energy density) being reduced. This reduction in the energy content, which is due to factors. Revised header. Added Model years
TSB_2074808_32026-01-07. Service bulletin. POWER TRAIN. This bulletin provides additoinal information to assist in determining the energy content of lithium-ion high-voltage batteries.
A0124442075010_22024-12-04. Service bulletin. POWER TRAIN. This bulletin provides information when the engine warning lamp lights up in the instrument cluster, and the vehicle has reduced power. DTCs P256300, P056E00, P00AF00.
A0124392075010_12024-10-28. Service bulletin. POWER TRAIN. This bulletin provides information when the engine warning lamp lights up in the instrument cluster, and the vehicle has reduced power. DTCs P256300, P056E00, P00AF00.
A3724222074826_12024-09-06. Service bulletin. POWER TRAIN. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
A3724222074826_12024-09-06. Service bulletin. POWER TRAIN. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
A4824682028220_112024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is visual damage on the steering wheel.
A3724142074751_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information about replacing the clutch end cover.
A3724132074750_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information about replacing the clutch end cover.
A2424612074810_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is a fault shown; Engine: start/stop system, and the start system is not working; mileage below 50 km/32 miles.
9702432024-02-26. Service bulletin. POWER TRAIN. The 2015 Audi A3 Onboard Power Supply and Networking Systems
9901432023-09-25. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS; STRUCTURE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; SEAT BELTS; TIRES; POWER TRAIN; EQUIPMENT; SUSPENSION. Modular Infotainment Platform (MIB)
A3923532043144_92023-05-05. Service bulletin. POWER TRAIN. This technical service bulletin provides repair instructions for the all-wheel drive coupling.
001468203790212023-01-03. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING. Audi of America is requesting your cooperation in supplying us with the technical information vital to the successful launch of the Audi Q3, A3 Sedan TDI, A3 cabriolet, and S3. The following repair areas will require a repair authorization: ? Q3: 100% of the vehicle ? A3 cabriolet: 100% of the vehicle ? A3 TDI: Engine/exhaust aftertreatment (see attachment) ? S3: Engine/transmission
371430200365862022-11-21. Service bulletin. POWER TRAIN. Vehicle lacks power or will not move after stop due to simultaneous depressing of the brake and accelerator pedals
37 14 30 20036582022-05-02. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE; POWER TRAIN. This condition may be caused when the brake pedal and the accelerator pedal are depressed simultaneously. Drivers who drive with their left foot resting on the brake pedal are prone to experience this condition. With the introduction of Electronic Power Control (EPC) (no accelerator cable) to fuel injection systems, an engine RPM control feature has been incorporated into the engine electronic control system software. Customer states that the engine returns to idle speed of approximately 1,400 RPM although the accelerator is depressed, and/or the vehicle hesitates (lacks power on take-off).
A4022332066441_12022-04-05. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This bulletin describes the procedure to address a clicking noise from the front axle when turning.
Circular37K8REV22021-04-06. Service bulletin. POWER TRAIN. Transmission control module (TCM) software designed and certified for a similar model/model year was used in vehicles affected by this action. It is undetermined whether there could be an impact to emissions. Updated claiming and parts information to add optional part numbers
A3920332043144_72020-08-06. Service bulletin. POWER TRAIN:DRIVELINE:HYDRAULIC:MOTOR/PUMP; ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE. This technical service bulletin provides repair instructions for the all-wheel drive coupling.
A3720992060148_12020-08-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: OIL COOLER; POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:GEARS. This informational bulletin states to not replace parts for the beveling groove as it is normal.
Dealer 37K82020-07-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. Transmission control module (TCM) software designed and certified for a similar model/model year was used in vehicles affected by this action. It is undetermined whether there could be an impact to emissions.
Circular37K8REV12020-07-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Transmission control module (TCM) software designed and certified for a similar model/model year was used in vehicles affected by this action. It is undetermined whether there could be an impact to emissions. Updated claiming and parts information to add subframe crossbrace fasteners.
Circular 37K82020-07-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Transmission control module (TCM) software designed and certified for a similar model/model year was used in vehicles affected by this action. It is undetermined whether there could be an impact to emissions.
AWA 20-032020-05-07. Service bulletin. POWER TRAIN. This Document informs dealers on the new gear shift micro switch warranty extension for 2019 Q3 and 2015-2019 A3 vehicles
A3819172049498_42019-12-06. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when the all wheel drive coupling is stuck on or doesn't engage without DTCs stored. Also Audi 2015 and 2016 A3 Cabriolet.

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