Audi A4 2010–2013 — technical service bulletin
Bulletin 28G6UPDATE · NHTSA communication 10243834 · issued Dec 2, 2013
Technical service bulletin
communication type
Electrical System
component
2010–2013
model years
16
vehicle entries
Official summary
Ignition Coils (NVLW)
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.