Toyota Avalon Hybrid 2017–2025 — technical service bulletin
Bulletin T-TT-0784-25 Rev1 · NHTSA communication 11020664 · issued Jun 17, 2025
Technical service bulletin
communication type
Engine
component
2017–2025
model years
49
vehicle entries
Official summary
Some ECUs can set a DTC that is common with other ECUs. This can lead to accidental use of the wrong repair manual when diagnosing these type of DTCs.
Vehicles covered
- 2019 Toyota Avalon Hybrid
- 2020 Toyota Avalon Hybrid
- 2021 Toyota Avalon Hybrid
- 2022 Toyota Avalon Hybrid
- 2023 Toyota BZ4X
- 2024 Toyota BZ4X
- 2025 Toyota BZ4X
- 2019 Toyota Camry Hybrid
- 2020 Toyota Camry Hybrid
- 2021 Toyota Camry Hybrid
- 2022 Toyota Camry Hybrid
- 2023 Toyota Camry Hybrid
- 2024 Toyota Camry Hybrid
- 2025 Toyota Camry Hybrid
- 2023 Toyota Corolla Cross Hybrid
- 2024 Toyota Corolla Cross Hybrid
- 2025 Toyota Corolla Cross Hybrid
- 2023 Toyota Corolla Hybrid
- 2024 Toyota Corolla Hybrid
- 2025 Toyota Corolla Hybrid
- 2019 Toyota Prius
- 2020 Toyota Prius
- 2021 Toyota Prius
- 2022 Toyota Prius
- 2023 Toyota Prius
- 2024 Toyota Prius
- 2025 Toyota Prius
- 2017 Toyota Prius Prime
- 2018 Toyota Prius Prime
- 2019 Toyota Prius Prime
- 2020 Toyota Prius Prime
- 2021 Toyota Prius Prime
- 2022 Toyota Prius Prime
- 2023 Toyota Prius Prime
- 2024 Toyota Prius Prime
- 2020 Toyota RAV4 Hybrid
- 2021 Toyota RAV4 Hybrid
- 2022 Toyota RAV4 Hybrid
- 2023 Toyota RAV4 Hybrid
- 2024 Toyota RAV4 Hybrid
- 2025 Toyota RAV4 Hybrid
- 2021 Toyota RAV4 Prime
- 2022 Toyota RAV4 Prime
- 2023 Toyota RAV4 Prime
- 2024 Toyota RAV4 Prime
- 2021 Toyota Venza Hybrid
- 2022 Toyota Venza Hybrid
- 2023 Toyota Venza Hybrid
- 2024 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.