Audi A4 2009–2016 — technical service bulletin
Bulletin A401548 2042603- · NHTSA communication 10123657 · issued Dec 4, 2015
Technical service bulletin
communication type
Steering
component
2009–2016
model years
47
vehicle entries
Official summary
When the vehicle is driven between 35 mph and 75 mph, a noise can be heard in the front of the vehicle. The customer may say that the noise is coming from the steering column area, and may describe the sound as buzzing, humming, whistling, whining, grinding, howling, and/or droning. The best way to understand the complaint is to discuss it with the customer. Faulty wheel bearing(s) may cause the noise.
Vehicles covered
- 2009 Audi A4
- 2010 Audi A4
- 2013 Audi A4 Allroad
- 2014 Audi A4 Allroad
- 2015 Audi A4 Allroad
- 2016 Audi A4 Allroad
- 2011 Audi A4 Avant
- 2012 Audi A4 Avant
- 2009 Audi A5
- 2010 Audi A5
- 2011 Audi A5
- 2012 Audi A5
- 2013 Audi A5
- 2014 Audi A5
- 2015 Audi A5
- 2016 Audi A5
- 2009 Audi A5 Cabriolet
- 2010 Audi A5 Cabriolet
- 2011 Audi A5 Cabriolet
- 2012 Audi A5 Cabriolet
- 2013 Audi A5 Cabriolet
- 2014 Audi A5 Cabriolet
- 2015 Audi A5 Cabriolet
- 2012 Audi A6
- 2013 Audi A6
- 2014 Audi A6
- 2015 Audi A6
- 2016 Audi A6
- 2012 Audi A7
- 2013 Audi A7
- 2014 Audi A7
- 2015 Audi A7
- 2016 Audi A7
- 2011 Audi A8
- 2012 Audi A8
- 2013 Audi A8
- 2014 Audi A8
- 2015 Audi A8
- 2016 Audi A8
- 2009 Audi Q5
- 2010 Audi Q5
- 2011 Audi Q5
- 2012 Audi Q5
- 2013 Audi Q5
- 2014 Audi Q5
- 2015 Audi Q5
- 2016 Audi Q5
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.