Toyota 4RUNNER 2021 — technical service bulletin
Bulletin T-SB-0039-20 Rev · NHTSA communication 10183284 · issued Oct 22, 2020
Technical service bulletin
communication type
Electrical System
component
2021
model years
17
vehicle entries
Official summary
TSB: An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Audio, Audio Plus, and Premium Audio head units before they are used for the first time on new vehicles. The initialization procedure may also be performed under other circumstances, such as following a head unit replacement or after the customer?s personal settings are erased. The initialization procedure requires between 3 and 15 minutes to complete, depending on file size, cellular connection speed, and other factors. Following the initialization procedure, individual Entune? 3.0 apps may periodic
Vehicles covered
- 2021 Toyota 4RUNNER
- 2021 Toyota Avalon
- 2021 Toyota Camry
- 2021 Toyota C-HR
- 2021 Toyota Corolla
- 2021 Toyota Corolla Hatchback
- 2021 Toyota Highlander
- 2021 Toyota Mirai
- 2021 Toyota Prius
- 2021 Toyota Prius Prime
- 2021 Toyota RAV4
- 2021 Toyota RAV4 Prime
- 2021 Toyota Sequoia
- 2021 Toyota Sienna Hybrid
- 2021 Toyota Tacoma
- 2021 Toyota Tundra
- 2021 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.