Audi A4 2004–2014 — technical service bulletin
Bulletin 27 14 24 2025360 · NHTSA communication 10210621 · issued Apr 29, 2014
Technical service bulletin
communication type
Electrical System
component
2004–2014
model years
56
vehicle entries
Official summary
This TSB provides basic diagnosis steps for discharged batteries, general tips for working with batteries, and system verification steps to ensure that the vehicle is configured correctly. For additional information on known current draw issues, refer to the following TSBs: ? 2014127: 27 Battery dead or low after returning to the vehicle (2007 A6, A8, Q7) ? 2019143: 27 Battery discharged on some vehicles with Advanced Key (2005 - 2008 A6, Q7)
Vehicles covered
- 2009 Audi A4
- 2010 Audi A4
- 2011 Audi A4
- 2012 Audi A4
- 2013 Audi A4
- 2014 Audi A4
- 2008 Audi A5
- 2009 Audi A5
- 2010 Audi A5
- 2011 Audi A5
- 2012 Audi A5
- 2013 Audi A5
- 2014 Audi A5
- 2010 Audi A5 Cabriolet
- 2011 Audi A5 Cabriolet
- 2012 Audi A5 Cabriolet
- 2013 Audi A5 Cabriolet
- 2014 Audi A5 Cabriolet
- 2005 Audi A6
- 2006 Audi A6
- 2007 Audi A6
- 2008 Audi A6
- 2009 Audi A6
- 2010 Audi A6
- 2011 Audi A6
- 2012 Audi A6
- 2013 Audi A6
- 2014 Audi A6
- 2012 Audi A7
- 2013 Audi A7
- 2014 Audi A7
- 2004 Audi A8
- 2005 Audi A8
- 2006 Audi A8
- 2007 Audi A8
- 2008 Audi A8
- 2009 Audi A8
- 2010 Audi A8
- 2011 Audi A8
- 2012 Audi A8
- 2013 Audi A8
- 2014 Audi A8
- 2009 Audi Q5
- 2010 Audi Q5
- 2011 Audi Q5
- 2012 Audi Q5
- 2013 Audi Q5
- 2014 Audi Q5
- 2007 Audi Q7
- 2008 Audi Q7
- 2009 Audi Q7
- 2010 Audi Q7
- 2011 Audi Q7
- 2012 Audi Q7
- 2013 Audi Q7
- 2014 Audi Q7
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.