Audi Q7 2012–2014 — technical service bulletin
Bulletin 01131320343591 · NHTSA communication 10221970 · issued Jul 8, 2013
Technical service bulletin
communication type
Fuel System, Diesel
component
2012–2014
model years
3
vehicle entries
Official summary
In vehicles produced during a certain period, the AdBlue filter seal within the level sensor module may have been damaged during the assembly process. This damaged seal can allow unfiltered AdBlue to be sucked into the delivery system, subsequently damaging the pressure sensor and reducing agent pump V437.
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.