Toyota 4RUNNER 2018–2024 — technical service bulletin

Bulletin T-SB-0106-22 Rev2 · NHTSA communication 11028726 · issued Jan 30, 2026

Technical service bulletin

communication type

Electrical System

component

2018–2024

model years

vehicle entries

Official summary

OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.

Vehicles covered

2020 Toyota 4RUNNER
2021 Toyota 4RUNNER
2022 Toyota 4RUNNER
2023 Toyota 4RUNNER
2024 Toyota 4RUNNER
2019 Toyota Avalon
2020 Toyota Avalon
2021 Toyota Avalon
2022 Toyota Avalon
2019 Toyota Avalon Hybrid
2020 Toyota Avalon Hybrid
2021 Toyota Avalon Hybrid
2022 Toyota Avalon Hybrid
2018 Toyota Camry
2019 Toyota Camry
2020 Toyota Camry
2021 Toyota Camry
2022 Toyota Camry
2023 Toyota Camry
2024 Toyota Camry
2018 Toyota Camry Hybrid
2019 Toyota Camry Hybrid
2020 Toyota Camry Hybrid
2021 Toyota Camry Hybrid
2022 Toyota Camry Hybrid
2019 Toyota C-HR
2020 Toyota C-HR
2021 Toyota C-HR
2022 Toyota C-HR
2020 Toyota Corolla
2021 Toyota Corolla
2022 Toyota Corolla
2022 Toyota Corolla Cross
2019 Toyota Corolla Hatchback
2020 Toyota Corolla Hatchback
2021 Toyota Corolla Hatchback
2022 Toyota Corolla Hatchback
2020 Toyota Corolla Hybrid
2021 Toyota Corolla Hybrid
2022 Toyota Corolla Hybrid
2020 Toyota Highlander
2021 Toyota Highlander
2022 Toyota Highlander
2020 Toyota Highlander Hybrid
2021 Toyota Highlander Hybrid
2022 Toyota Highlander Hybrid
2018 Toyota Mirai
2019 Toyota Mirai
2020 Toyota Mirai
2021 Toyota Mirai
2022 Toyota Mirai
2020 Toyota Prius
2021 Toyota Prius
2022 Toyota Prius
2020 Toyota Prius Prime
2021 Toyota Prius Prime
2022 Toyota Prius Prime
2019 Toyota RAV4
2020 Toyota RAV4
2021 Toyota RAV4

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.