Audi Q7 2009–2011 — technical service bulletin
Bulletin 01130020302923 · NHTSA communication 10228305 · issued May 20, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2009–2011
model years
3
vehicle entries
Official summary
Moisture ingress due to inadequate internal sealing of some differential pressure sensors (G505) causes electronic failure of the sensors. Part analysis shows that this condition only affects parts that were produced on or before March 29, 2011.
Vehicles covered
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.