Toyota Avalon Hybrid 2020–2022 — technical service bulletin
Bulletin TTT070222 · NHTSA communication 10235240 · issued Feb 20, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2022
model years
14
vehicle entries
Official summary
TT: Some 2020-2022 vehicles equipped with North American Produced (NAP) A25A-FKS/FXS engines may experience an oil leak from the head/valve cover gasket. This issue is currently under investigation.
Vehicles covered
- 2020 Toyota Avalon Hybrid
- 2021 Toyota Avalon Hybrid
- 2022 Toyota Avalon Hybrid
- 2020 Toyota Camry
- 2021 Toyota Camry
- 2022 Toyota Camry
- 2020 Toyota Highlander Hybrid
- 2021 Toyota Highlander Hybrid
- 2022 Toyota Highlander Hybrid
- 2020 Toyota RAV4
- 2021 Toyota RAV4
- 2022 Toyota RAV4
- 2021 Toyota Sienna Hybrid
- 2022 Toyota Sienna Hybrid
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.