Toyota 4RUNNER 2020–2021 — technical service bulletin
Bulletin T-TT-0634-20 · NHTSA communication 10184549 · issued Nov 13, 2020
Technical service bulletin
communication type
Equipment
component
2020–2021
model years
28
vehicle entries
Official summary
TT: Some vehicles may experience an issue related to the DCM, the following information is consolidating the available diagnostic information in one document.
Vehicles covered
- 2020 Toyota 4RUNNER
- 2021 Toyota 4RUNNER
- 2021 Toyota Avalon
- 2021 Toyota Avalon Hybrid
- 2020 Toyota Camry
- 2021 Toyota Camry
- 2020 Toyota Camry Hybrid
- 2021 Toyota Camry Hybrid
- 2020 Toyota C-HR
- 2021 Toyota C-HR
- 2021 Toyota Corolla
- 2020 Toyota Corolla Hatchback
- 2021 Toyota Corolla Hatchback
- 2020 Toyota Highlander
- 2021 Toyota Highlander
- 2020 Toyota Highlander Hybrid
- 2021 Toyota Highlander Hybrid
- 2020 Toyota RAV4
- 2021 Toyota RAV4
- 2021 Toyota RAV4 Prime
- 2020 Toyota Sequoia
- 2021 Toyota Sequoia
- 2021 Toyota Sienna Hybrid
- 2020 Toyota Tacoma
- 2021 Toyota Tacoma
- 2020 Toyota Tundra
- 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.