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April 2, 2025 Service bulletin

To assist with the early detection and early resolution of audio related concerns you may be asked to...

Toyota technical service bulletin T-TT-0779-25 for 2023-2025 Toyota Prius, 2023-2025 Toyota Corolla and 2023-2025 Toyota RAV4 and others.

Bulletin number
T-TT-0779-25 (T-TT-0779-25)
Component
Electrical system
Summary
To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.

Owners of these vehicles have filed 575 complaints in the electrical category.

Vehicles covered

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