Honda Civic 2013–2015 — technical service bulletin
Bulletin A15-066 · NHTSA communication 10100224 · issued Nov 3, 2015
Technical service bulletin
communication type
Equipment
component
2013–2015
model years
3
vehicle entries
Official summary
"service bulletin - the audio unit software is malfunctioning. Symptom the audio unit back light flickers. Upper display is blank at startup. Vol/selector knob or hard keys do not work. Multiple sources appear on the information display."
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.