Toyota Corolla 2014–2017 — technical service bulletin
Bulletin TTT040916 Rev1 · NHTSA communication 10152231 · issued Jan 26, 2017
Technical service bulletin
communication type
Service Brakes
component
2014–2017
model years
4
vehicle entries
Official summary
TT: On some MY14 ? MY17 Corolla vehicles with less than 10,000 miles, customers may experience a vibration feeling when braking or on deceleration. This can occur at various speeds or pedal application forces.
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.