Audi A3 2014–2015 — technical service bulletin
Bulletin A011521 2040508- · NHTSA communication 10119985 · issued Apr 29, 2015
Technical service bulletin
communication type
Power Train
component
2014–2015
model years
16
vehicle entries
Official summary
The MIL is on. DTC P046100 is stored in the ECM. DTC P046100 can be caused by miscalculations within the ECM software.
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.