Audi A4 Allroad 2012–2015 — technical service bulletin
Bulletin A01166820404914 · NHTSA communication 10091807 · issued Jul 22, 2016
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2015
model years
18
vehicle entries
Official summary
This technical service bulletin provides troubleshooting instructions to resolve a coolant warning and stored dtc.
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.