Toyota Avalon 2018–2022 — technical service bulletin

Bulletin T-TT-0687-22 · NHTSA communication 10210373 · issued Mar 8, 2022

Technical service bulletin

communication type

Electrical System

component

2018–2022

model years

vehicle entries

Official summary

TT: When customers have a concern about a discharged battery, no start, or general battery concern, the DCA-8000 is the only appropriate tool to use for diagnosis

Vehicles covered

2018 Toyota Avalon
2019 Toyota Avalon
2020 Toyota Avalon
2021 Toyota Avalon
2022 Toyota Avalon
2018 Toyota Camry
2019 Toyota Camry
2020 Toyota Camry
2021 Toyota Camry
2022 Toyota Camry
2018 Toyota C-HR
2019 Toyota C-HR
2020 Toyota C-HR
2021 Toyota C-HR
2022 Toyota C-HR
2018 Toyota Corolla
2019 Toyota Corolla
2020 Toyota Corolla
2021 Toyota Corolla
2022 Toyota Corolla
2019 Toyota Corolla Hatchback
2020 Toyota Corolla Hatchback
2021 Toyota Corolla Hatchback
2018 Toyota Highlander
2019 Toyota Highlander
2020 Toyota Highlander
2021 Toyota Highlander
2022 Toyota Highlander
2018 Toyota Land Cruiser
2019 Toyota Land Cruiser
2020 Toyota Land Cruiser
2021 Toyota Land Cruiser
2018 Toyota Prius
2019 Toyota Prius
2020 Toyota Prius
2021 Toyota Prius
2022 Toyota Prius
2018 Toyota Prius C
2019 Toyota Prius C
2020 Toyota Prius C
2021 Toyota Prius C
2018 Toyota Prius Prime
2019 Toyota Prius Prime
2020 Toyota Prius Prime
2021 Toyota Prius Prime
2022 Toyota Prius Prime
2018 Toyota RAV4
2019 Toyota RAV4
2020 Toyota RAV4
2021 Toyota RAV4
2022 Toyota RAV4
2021 Toyota RAV4 Prime
2018 Toyota Sequoia
2019 Toyota Sequoia
2020 Toyota Sequoia
2021 Toyota Sequoia
2022 Toyota Sequoia
2018 Toyota Sienna
2019 Toyota Sienna
2020 Toyota Sienna

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.