Toyota Highlander 2017–2019 — technical service bulletin
Bulletin T-TT-0568-19 · NHTSA communication 10164917 · issued Aug 22, 2019
Technical service bulletin
communication type
Back Over Prevention
component
2017–2019
model years
6
vehicle entries
Official summary
TT: Some customers may experience a rattle noise from the roof area while driving at highway speeds, on vehicles equipped with Toyota Genuine Accessory Roof Rack Cross Bars. This noise may originate on the LH side of the cross bar, from cross bar sub-assembly to cross bar end support due to excessive free play. Note - Affected vehicles are equipped with: * Cross Bar Kit Part #: PT278-48170. * Silver, Black, or Chrome Side Rail Assembly (Roof Rack)
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.