Audi Q7 2009–2015 — technical service bulletin
Bulletin 01138020243442 · NHTSA communication 10228357 · issued Mar 25, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2009–2015
model years
7
vehicle entries
Official summary
After recognizing that the boost pressure is too low or too high, the engine control module switches to emergency operation and the engine performance is reduced via the injected fuel quantity (?limp mode?).
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.