Toyota 4RUNNER 2018–2021 — technical service bulletin
Bulletin T-TT-0615-20 Rev · NHTSA communication 10177592 · issued Jun 12, 2020
Technical service bulletin
communication type
Engine
component
2018–2021
model years
39
vehicle entries
Official summary
TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition (inconsistent acceleration) and would like to recover detailed customer voice and vehicle data.
Vehicles covered
- 2018 Toyota 4RUNNER
- 2019 Toyota 4RUNNER
- 2020 Toyota 4RUNNER
- 2021 Toyota 4RUNNER
- 2018 Toyota Avalon
- 2019 Toyota Avalon
- 2020 Toyota Avalon
- 2021 Toyota Avalon
- 2018 Toyota Camry
- 2019 Toyota Camry
- 2020 Toyota Camry
- 2021 Toyota Camry
- 2018 Toyota Corolla
- 2019 Toyota Corolla
- 2020 Toyota Corolla
- 2021 Toyota Corolla
- 2018 Toyota Highlander
- 2019 Toyota Highlander
- 2020 Toyota Highlander
- 2021 Toyota Highlander
- 2018 Toyota RAV4
- 2019 Toyota RAV4
- 2020 Toyota RAV4
- 2021 Toyota RAV4
- 2018 Toyota Sequoia
- 2019 Toyota Sequoia
- 2020 Toyota Sequoia
- 2021 Toyota Sequoia
- 2018 Toyota Sienna
- 2019 Toyota Sienna
- 2020 Toyota Sienna
- 2018 Toyota Tacoma
- 2019 Toyota Tacoma
- 2020 Toyota Tacoma
- 2021 Toyota Tacoma
- 2018 Toyota Tundra
- 2019 Toyota Tundra
- 2020 Toyota Tundra
- 2021 Toyota Tundra
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.