Audi Q7 2007–2008 — technical service bulletin
Bulletin A431321 2017325- · NHTSA communication 10128036 · issued Aug 15, 2013
Technical service bulletin
communication type
Electrical System
component
2007–2008
model years
2
vehicle entries
Official summary
Supersedes Technical Service Bulletin Group 43 number 13-20 dated July 22, 2013. Immediately after the vehicle is started, the air suspension lowers the vehicle to its lowest possible position. The air suspension warning light blinks. DTC 01487 (System function test incorrect signal sporadic) is stored in the level control system control module, J197 (address word 34). An ignition off/on cycle will reboot the system and restore the functions.
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.