Audi A4 2013 — technical service bulletin
Bulletin 46147220344043 · NHTSA communication 10250986 · issued Mar 7, 2014
Technical service bulletin
communication type
Electrical System
component
2013
model years
2
vehicle entries
Official summary
Vehicle does not start, battery flat DTC stored (DTC U101100)
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.