Service bulletins for the 2009 Audi A4
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.
775 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Wheels are shown. Show all
| 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. |
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| TB-37-09-02 | 2009-08-05. Service bulletin. WHEELS; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). AUDI: WHEN PULLING AWAY, THE ACCELERATOR RESPONSE IS VERY PROMPT. THE DRIVING WHEELS MAY BREAK TRACTION AT MEDIUM THROTTLE APPLICATION ON LOW TRACTION SURFACES. ACCELERATION IS DELIBERATELY SPORTY. THE ENGINES ALREADY DEVELOP THEIR MAXIMUM TORQUE AT 1500 RPM. *PE |
| TSB-44-08-14 | 2009-02-21. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS. AUDI: WHEEL BOLTS REQUIRE TORQUE ADJUSTMENT. TORQUE STICKS AND TORQUE EXTENSION BARS ARE NOT APPROVED BY AUDI OF AMERICA, INC. AND SHOULD NOT BE USED TO APPLY TORQUE TO WHEEL BOLTS. ALL AUDI MODELS INCLUDED. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.