Toyota 4RUNNER 2020–2023 — technical service bulletin
Bulletin TTT059920 Rev4 · NHTSA communication 10214347 · issued Mar 24, 2022
Technical service bulletin
communication type
Equipment
component
2020–2023
model years
40
vehicle entries
Official summary
TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular coverage concerns
Vehicles covered
- 2020 Toyota 4RUNNER
- 2021 Toyota 4RUNNER
- 2022 Toyota 4RUNNER
- 2021 Toyota Avalon
- 2022 Toyota Avalon
- 2023 Toyota BZ4X
- 2020 Toyota Camry
- 2021 Toyota Camry
- 2022 Toyota Camry
- 2020 Toyota C-HR
- 2021 Toyota C-HR
- 2022 Toyota C-HR
- 2021 Toyota Corolla
- 2022 Toyota Corolla
- 2020 Toyota Highlander
- 2021 Toyota Highlander
- 2022 Toyota Highlander
- 2021 Toyota Mirai
- 2022 Toyota Mirai
- 2021 Toyota Prius
- 2022 Toyota Prius
- 2021 Toyota Prius Prime
- 2022 Toyota Prius Prime
- 2020 Toyota RAV4
- 2021 Toyota RAV4
- 2022 Toyota RAV4
- 2022 Toyota RAV4 Prime
- 2020 Toyota Sequoia
- 2021 Toyota Sequoia
- 2022 Toyota Sequoia
- 2021 Toyota Sienna
- 2022 Toyota Sienna
- 2020 Toyota Tacoma
- 2021 Toyota Tacoma
- 2022 Toyota Tacoma
- 2020 Toyota Tundra
- 2021 Toyota Tundra
- 2022 Toyota Tundra
- 2021 Toyota Venza
- 2022 Toyota Venza
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.