Audi Q7 2007–2014 — technical service bulletin
Bulletin A431315 2033587- · NHTSA communication 10123921 · issued Apr 12, 2013
Technical service bulletin
communication type
Suspension
component
2007–2014
model years
8
vehicle entries
Official summary
Self-leveling suspension cannot be adjusted during extremely cold weather. The self-leveling suspension warning light is illuminated in the instrument cluster. The self-leveling suspension operates normally again after the vehicle has been parked for a while in a garage or in the sun. DTC 20645 003 (valves for self-leveling control, mechanical fault) is present in the level control system module, J197 (address word 34). If the dryer on the air supply unit (air compressor) has taken in humidity for a long period of time, it may become saturated. As a result, the increased air humidity may get i
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.