Toyota 4RUNNER 2020–2022 — technical service bulletin
Bulletin T-TT-0593-20 Rev · NHTSA communication 10207958 · issued Jan 20, 2022
Technical service bulletin
communication type
Electrical System
component
2020–2022
model years
51
vehicle entries
Official summary
TT: Some customers may experience the inability to activate Remote Connect or Remote Connect becoming inoperative when attempting to send commands to the vehicle. To simplify the diagnosis of this system and prevent the unnecessary replacement of parts, please refer to the procedure below.
Vehicles covered
- 2020 Toyota 4RUNNER
- 2021 Toyota 4RUNNER
- 2022 Toyota 4RUNNER
- 2021 Toyota Avalon
- 2022 Toyota Avalon
- 2021 Toyota Avalon Hybrid
- 2022 Toyota Avalon Hybrid
- 2020 Toyota Camry
- 2021 Toyota Camry
- 2022 Toyota Camry
- 2021 Toyota Camry Hybrid
- 2022 Toyota Camry Hybrid
- 2020 Toyota C-HR
- 2021 Toyota C-HR
- 2022 Toyota C-HR
- 2021 Toyota Corolla
- 2022 Toyota Corolla
- 2021 Toyota Corolla Hatchback
- 2021 Toyota Corolla Hybrid
- 2022 Toyota Corolla Hybrid
- 2020 Toyota Highlander
- 2021 Toyota Highlander
- 2022 Toyota Highlander
- 2021 Toyota Highlander Hybrid
- 2022 Toyota Highlander Hybrid
- 2021 Toyota Prius
- 2022 Toyota Prius
- 2021 Toyota Prius Prime
- 2022 Toyota Prius Prime
- 2020 Toyota RAV4
- 2021 Toyota RAV4
- 2022 Toyota RAV4
- 2021 Toyota RAV4 Hybrid
- 2022 Toyota RAV4 Hybrid
- 2021 Toyota RAV4 Prime
- 2020 Toyota Sequoia
- 2021 Toyota Sequoia
- 2022 Toyota Sequoia
- 2021 Toyota Sienna
- 2022 Toyota Sienna
- 2021 Toyota Sienna Hybrid
- 2022 Toyota Sienna Hybrid
- 2020 Toyota Tacoma
- 2021 Toyota Tacoma
- 2022 Toyota Tacoma
- 2020 Toyota Tundra
- 2021 Toyota Tundra
- 2022 Toyota Tundra
- 2021 Toyota Venza
- 2021 Toyota Venza Hybrid
- 2022 Toyota Venza 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.