Audi A4 2008–2015 — technical service bulletin
Bulletin 9013422035902 1 · NHTSA communication 10204501 · issued Nov 27, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2008–2015
model years
22
vehicle entries
Official summary
90 "Ignition lock faulty" message in cluster information display.
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.