Toyota Corolla 2016–2018 — technical service bulletin
Bulletin T-TT-0501-18 · NHTSA communication 10142875 · issued Jun 8, 2018
Technical service bulletin
communication type
Equipment
component
2016–2018
model years
9
vehicle entries
Official summary
TT: Some customers may experience a voice recognition inoperative condition or abnormal Entune? operation after performing an Entune? update.
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.