Audi A4 2004–2011 — technical service bulletin
Bulletin A871237 2020124- · NHTSA communication 10122846 · issued Nov 16, 2012
Technical service bulletin
communication type
Visibility
component
2004–2011
model years
25
vehicle entries
Official summary
Supersedes Technical Service Bulletin Group 87 number 12-32 dated September 5, 2012. Air conditioning is inoperative. The HVAC blower functions normally. Battery discharged; however, when charged, there is no bus silence when vehicle ignition is off. The A/C Pressure/Temperature Sensor G395 leaks refrigerant. This causes Sensor G395 to show an incorrect or implausible value when reading MVBs. An incorrect signal or a low refrigerant level in the system can cause the air conditioning compressor to deactivate. The LIN cable connecting the J519 Central Electrics Control unit to Sensor G395 is pin
Vehicles covered
- 2009 Audi A4
- 2010 Audi A4
- 2011 Audi A4 Avant
- 2008 Audi A5
- 2009 Audi A5
- 2010 Audi A5
- 2011 Audi A5
- 2005 Audi A6
- 2006 Audi A6
- 2007 Audi A6
- 2008 Audi A6
- 2009 Audi A6
- 2010 Audi A6
- 2011 Audi A6
- 2004 Audi A8
- 2005 Audi A8
- 2006 Audi A8
- 2007 Audi A8
- 2008 Audi A8
- 2009 Audi A8
- 2010 Audi A8
- 2008 Audi S5
- 2009 Audi S5
- 2010 Audi S5
- 2011 Audi S5
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.