Toyota Avalon 2017–2023 — technical service bulletin
Bulletin T-SB-0115-22 Rev · NHTSA communication 10234314 · issued Mar 6, 2023
Technical service bulletin
communication type
Fuel System, Gasoline
component
2017–2023
model years
20
vehicle entries
Official summary
TSB: Some 2019 ? 2022 model year Avalon, 2018 ? 2023 model year Camry, 2017 ? 2022 model year Highlander, and 2017 ? 2020 model year Sienna vehicles equipped with a 2GR-FKS engine may exhibit a knocking noise from the vacuum pump at idle.
Vehicles covered
- 2019 Toyota Avalon
- 2020 Toyota Avalon
- 2021 Toyota Avalon
- 2022 Toyota Avalon
- 2018 Toyota Camry
- 2019 Toyota Camry
- 2020 Toyota Camry
- 2021 Toyota Camry
- 2022 Toyota Camry
- 2023 Toyota Camry
- 2017 Toyota Highlander
- 2018 Toyota Highlander
- 2019 Toyota Highlander
- 2020 Toyota Highlander
- 2021 Toyota Highlander
- 2022 Toyota Highlander
- 2017 Toyota Sienna
- 2018 Toyota Sienna
- 2019 Toyota Sienna
- 2020 Toyota Sienna
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.