Audi A3 Cabriolet 2015 — technical service bulletin
Bulletin A941790 2048429- · NHTSA communication 10127857 · issued Jul 27, 2017
Technical service bulletin
communication type
Electrical System
component
2015
model years
1
vehicle entries
Official summary
This bulletin contains a software update for when there is a sporadic warning message in the cluster DIS of "exterior lighting system error", but there are no visible issues with the exterior lighting system.
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.