Toyota Yaris 2017–2020 — technical service bulletin
Bulletin T-TT-0722-23 · NHTSA communication 10234324 · issued Mar 14, 2023
Technical service bulletin
communication type
Electronic Stability Control
component
2017–2020
model years
4
vehicle entries
Official summary
TT: Some 2017-2020 Yaris Sedan (Mexico Production) vehicles exhibit a squeak type noise from the front suspension over bumps. This document applies to Puerto Rico Region vehicles only.
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.