Audi A4 Allroad 2017–2018 — technical service bulletin
Bulletin A901788 2049741- · NHTSA communication 10133255 · issued Dec 13, 2017
Technical service bulletin
communication type
Electrical System
component
2017–2018
model years
8
vehicle entries
Official summary
This informational bulletin states that when a sporadic or permanent warning message appears with no DTCs that the technicians need to postpone repairs.
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.