Audi Q7 2007–2010 — technical service bulletin
Bulletin A431312 2020095- · NHTSA communication 10123986 · issued Feb 4, 2013
Technical service bulletin
communication type
Suspension
component
2007–2010
model years
4
vehicle entries
Official summary
Supersedes Technical Service Bulletin Group 43 number 10-04 dated September 29, 2010. The vehicle pulls to one side. The suspension height is uneven and the vehicle is crooked. One wheel location of the suspension is stuck in the raised position. The control system cannot be programmed. DTC's may be stored in address 34. The residual pressure holding valve of an air spring may be stuck closed, not allowing the air spring to reduce its height. This valve's function is to ensure a minimum air spring pressure of 50 psi in the event of a large leak. For example, if an air supply line was severed b
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.