Toyota Corolla 2022–2023 — technical service bulletin
Bulletin TTT074423 · NHTSA communication 10247830 · issued Nov 29, 2023
Technical service bulletin
communication type
Back Over Prevention
component
2022–2023
model years
2
vehicle entries
Official summary
TT: Some 2022/2023 Japan built (VIN JTD) Corolla/Corolla HV sedan vehicles may have a rattle noise coming from the headliner.
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.