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Service bulletins for the 2009 Audi TT

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.

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

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By component

By trouble code

Only bulletins with component: Steering are shown. Show all

Bulletins, newest first
A481337 202118942017-11-17. Service bulletin. STEERING; ELECTRICAL SYSTEM:SOFTWARE. Supersedes Technical Service Bulletin Group 48 number 11-17 dated October 21, 2011. Steering feels stiff after engine start on vehicles with generation 3 steering. Incorrect software.
A461525 2022584-2017-11-17. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; SERVICE BRAKES, HYDRAULIC. Supersedes Technical Service Bulletin Group 46 number 14-86 dated July 14, 2014. DO NOT use this TSB if there is another TSB for same concern applicable to the VIN. This TSB is only intended for diagnostic purposes and does not serve as a guideline for determining warrantable conditions. Customer may report that the steering wheel vibrates or pulsates when the brakes are applied. driving style, environmental conditions, and service history of the vehicle. Additionally, as brake pads and discs wear, their dampening ability is reduced. Disc thickness variation (DTV) is a common condition that contributes to brake pulsation. DTV occurs when the two braking surfaces of the brake disc are no longer parallel to each other. This condition cannot be accurately measured with normal workshop tools.
A421216 2021724-2017-11-08. Service bulletin. STEERING; EQUIPMENT; SUSPENSION. Supersedes Technical Service Bulletin Group 40 number 12-24 dated June 6, 2012. Loud cracking or rubbing noises when turning steering wheel. Steering is not affected and will operate normally. Prior to performing this TSB, check whether the vehicle is equipped with rubber shock absorber stop and the plastic cap on the shock. Vehicles equipped with the Audi magnetic ride suspension may not be equipped with these components and this TSB will not be applicable to such vehicles. While steering, the shock absorber stop can chafe on the plastic cap of the suspension strut. If the vehicle is lifted up, the noise disappears. The boot is not properly secured / installed, or is deformed.
A421421 2021724-2017-11-08. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. Supersedes Technical Service Bulletin Group 42 number 12-16 dated November 13, 2012. Loud cracking or rubbing noises are heard when the steering wheel is being turned. Steering is not affected and operates normally. This bulletin does not apply to vehicles with magnetic ride suspension (which are equipped with rubber shock absorber stop and a plastic cap on the shock).
A401440 2023187-2017-11-08. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. Supersedes Technical Service Bulletin Group 40 number 13-35 dated September 23, 2013. Squeaking noises are heard when the steering wheel is turned or maneuvered. The noises may be more prevalent in wet weather. The folds of the outer rubber boots on the front axle shafts may come in contact with each other when the steering wheel is turned, causing squeaking noises. These noises are more likely to occur when the vehicle is new. The volume and occurrence of the noise will dissipate after a short break-in period.
A441450 2022563-2017-11-08. Service bulletin. SUSPENSION; STEERING: STEERING WHEEL/HANDLE BAR. Supersedes Technical Service Bulletin Group 44 number 14-49 dated April 17, 2014. Customer feels vibration in the seat, vehicle floor, footwell, pedals, or steering wheel. This condition does not lead to any handling concerns or loss of vehicle control. The customer feels the vibration while driving at highway speeds from 55 ? 80 mph (88 ? 128 km/h). This bulletin is not applicable if this vehicle has a Repair Authorization on this topic. If an applicable Repair Authorization is not followed, the claim will not be paid. The vibrations felt by the customer could be a result of the harmonic vibrations caused by the radial force variation (RFV) of the tires or an imbalance of the wheel and tire assembly.
A461466 2022584-2017-11-08. Service bulletin. STEERING; WHEELS; SERVICE BRAKES, HYDRAULIC. Supersedes Technical Service Bulletin Group 46 number 12-23 dated June 18, 2012. Customer may report that the steering wheel vibrates or pulsates when the brakes are applied. Document contains the brake pulsation diagnostic guidelines.
A441344 2022563-2017-10-31. Service bulletin. STEERING; SUSPENSION. Supersedes Technical Service Bulletin Group 44 number 13-42 dated September 27, 2013. Customer feels vibration in the seat, vehicle floor, footwell, pedals, or steering wheel. This condition does not lead to any handling concerns or loss of vehicle control. The customer feels the vibration while driving at highway speeds from 55 - 80 mph (88 - 128 km/h). This bulletin is not applicable if this vehicle has a Repair Authorization on this topic.
A481354 2028220-2017-10-31. Service bulletin. WHEELS; STEERING. Supersedes Technical Service Bulletin Group 48 number 12-30 dated June 25, 2012. Steering wheel appearance damaged due to external impact (e.g., contact with finger nails, zippers, watches, rings, etc.). External impact (e.g., contact with finger nails, zippers, watches, rings etc.) can cause damage to the appearance of the steering wheel. This type of damage is not warrantable, as numerous investigations have shown that there is no fault in material or workmanship.
A441342 2022563-2017-10-31. Service bulletin. SUSPENSION; STEERING. Supersedes Technical Service Bulletin Group 44 number 13-36 dated February 18, 2013. This bulletin is not applicable if this vehicle has a Repair Authorization on this topic. Customer feels vibration in the seat, vehicle floor, footwell, pedals, or steering wheel. This condition does not lead to any handling concerns or loss of vehicle control. The customer feels the vibration in one or both of the following circumstances: * When driving at highway speeds from 55 - 80 mph (88 - 128 km/h). * When applying low brake pedal pressure with minor slow down. The vibrations felt by the customer could be a result of the harmonic vibrations caused by the radial force variation (RFV) of the tires.
A401335 2023187-2017-10-31. Service bulletin. STEERING; WHEELS. Supersedes Technical Service Bulletin Group 40 number 12-23 dated May 14, 2012. Squeaking noises are heard when the steering wheel is turned or maneuvered. The noises may be more prevalent in wet weather. The folds of the outer rubber boots on the front axle shafts may come in contact with each other when the steering wheel is turned, causing squeaking noises. These noises are more likely to occur when the vehicle is new. The volume and occurrence of the noise will dissipate after a short break-in period.
Executive Servic2017-10-27. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING; POWER TRAIN; SERVICE BRAKES, HYDRAULIC:FLUID; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. This document contains a fluid capacity chart as well as a chart that contains the parts and part numbers needed for service.
A481564 2021189-2017-10-25. Service bulletin. STEERING; STEERING:ELECTRIC POWER ASSIST SYSTEM. Supersedes Technical Service Bulletin Group 48 number 13-37 dated February 28, 2013. Steering feels stiff after engine start on vehicles with generation 3 steering. DTCs may be stored in the power steering control module.
SB-2021189/42016-05-23. Service bulletin. STEERING. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
2021724/42016-05-19. Service bulletin. STEERING. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
TSB-48-15-642015-06-20. Service bulletin. STEERING; ELECTRICAL SYSTEM:SOFTWARE. AUDI: SOME VEHICLES AN INCORRECT SOFTWARE INSTALLED, CAUSING THE STEERING TO BE STIFF AFTER ENGINE HAS STARTED. MODEL 2009-13 A3, TT. *PE
TSB-37-13-092013-12-02. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION). AUDI: IN SOME VEHICLES, THE CLUTCHES, AFTER HAVING TORQUE CONVERTER, COMPLETE GEARBOX REPLACEMENT OR MECHATRONICS, MUST ADAPT TO NEW COMPONENTS WITH GRADUAL MOVING OF CLUTCH LININGS IN MOST DIVERSE LOAD CONDITIONS. MODELS 2004-14, A3, TT, Q7, A4, A5, A6, A7, A8, Q5, S4, S5, S6, S7, RS5. *PE
TSB-48-11-172011-12-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; STEERING. AUDI: AFTER ENGINE HAS STARTED, STEERING BECOMES STIFF ON VEHICLES WITH GENERATION 3 STEERING. SOFTWARE NEEDS UPDATING. MODELS TT AND A3. *PE
TSB-48-09-122010-07-26. Service bulletin. STEERING. AUDI: GENERATION 3 POWER STEERING; STEERING STIFF AFTER ENGINE START. INCORRECT SOFTWARE; NEW SOFTWARE 2901 FROM WEEK 22/09. *PE

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