Audi A6 2016–2017 — technical service bulletin
Bulletin A0121072045223_4 · NHTSA communication 10194627 · issued May 28, 2021
Technical service bulletin
communication type
Back Over Prevention
component
2016–2017
model years
2
vehicle entries
Official summary
This bulletin explains how to update the software for an EPC light.
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.