Audi A3 Cabriolet 2015–2016 — technical service bulletin
Bulletin A301620 2043144- · NHTSA communication 10118340 · issued Feb 1, 2016
Technical service bulletin
communication type
Electrical System
component
2015–2016
model years
4
vehicle entries
Official summary
Haldex coupling does not work (DTC C111204) (Haldex clutch pump faulty). All-wheel drive does not work and/or the EPC warning lamp is illuminated. There is an internal leak in the hydraulic pump.
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.