Toyota Corolla 2020–2024 — technical service bulletin
Bulletin T-TT-0753-24 Rev1 · NHTSA communication 11011642 · issued Nov 13, 2024
Technical service bulletin
communication type
Engine
component
2020–2024
model years
13
vehicle entries
Official summary
Some technicians may report an engine oil leak from the Engine Oil Level Sensor area
Vehicles covered
- 2020 Toyota Corolla
- 2021 Toyota Corolla
- 2022 Toyota Corolla
- 2023 Toyota Corolla
- 2024 Toyota Corolla
- 2022 Toyota Corolla Cross
- 2023 Toyota Corolla Cross
- 2024 Toyota Corolla Cross
- 2020 Toyota Corolla Hatchback
- 2021 Toyota Corolla Hatchback
- 2022 Toyota Corolla Hatchback
- 2023 Toyota Corolla Hatchback
- 2024 Toyota Corolla Hatchback
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.