Toyota Corolla 2021–2024 — technical service bulletin
Bulletin T-SB-0077-24 · NHTSA communication 11010062 · issued Sep 11, 2024
Technical service bulletin
communication type
Engine
component
2021–2024
model years
9
vehicle entries
Official summary
Some 2021 – 2024 model year Corolla, 2022 – 2024 model year Corolla Cross, and 2023 – 2024 model year Corolla Cross Hybrid vehicles with M20A-FKS or M20A-FXS engines may exhibit an oil leak that originates between the oil pan sub-assembly and the stiffening crankcase assembly.
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.