Toyota 4RUNNER 2016–2020 — technical service bulletin
Bulletin T-TT-0598-20 · NHTSA communication 10172819 · issued Feb 4, 2020
Technical service bulletin
communication type
Equipment
component
2016–2020
model years
33
vehicle entries
Official summary
TT: Some vehicles may experience a ?New software is not compatible with the system.? Pop-up while performing T-SB-0003-20 during the head unit software installation process
Vehicles covered
- 2016 Toyota 4RUNNER
- 2017 Toyota 4RUNNER
- 2018 Toyota 4RUNNER
- 2019 Toyota 4RUNNER
- 2020 Toyota 4RUNNER
- 2016 Toyota Avalon
- 2017 Toyota Avalon
- 2018 Toyota Avalon
- 2016 Toyota Highlander
- 2017 Toyota Highlander
- 2018 Toyota Highlander
- 2019 Toyota Highlander
- 2016 Toyota Prius
- 2017 Toyota Prius
- 2018 Toyota Prius
- 2019 Toyota Prius
- 2017 Toyota Prius Prime
- 2018 Toyota Prius Prime
- 2017 Toyota Prius V
- 2018 Toyota Prius V
- 2016 Toyota Sequoia
- 2017 Toyota Sequoia
- 2018 Toyota Sequoia
- 2019 Toyota Sequoia
- 2016 Toyota Tacoma
- 2017 Toyota Tacoma
- 2018 Toyota Tacoma
- 2019 Toyota Tacoma
- 2016 Toyota Tundra
- 2017 Toyota Tundra
- 2018 Toyota Tundra
- 2019 Toyota Tundra
- 2018 Toyota Yaris
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.