TSB T-TT-0780-25 — Toyota Service bulletin
T-TT-0780-25 is a service bulletin on file with NHTSA for 11 Toyota models, 2018–2024 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. 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.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years T-TT-0780-25 names
| Vehicle | Model years |
|---|---|
| Toyota 4Runner | 2020, 2021, 2022, 2023, 2024 |
| Toyota Avalon | 2019, 2020, 2021, 2022 |
| Toyota Camry | 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
| Toyota Corolla | 2020, 2021, 2022 |
| Toyota Highlander | 2020, 2021, 2022 |
| Toyota Prius | 2020, 2021, 2022 |
| Toyota RAV4 | 2019, 2020, 2021, 2022 |
| Toyota Sequoia | 2020, 2021, 2022 |
| Toyota Sienna | 2018, 2019, 2020 |
| Toyota Tacoma | 2020, 2021, 2022, 2023 |
| Toyota Tundra | 2020, 2021 |
Every document filed under T-TT-0780-25
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| T-TT-0780-25 | April 2, 2025 | Service bulletin |
| T-TT-0780-25 | April 2, 2025 | Service bulletin |
What T-TT-0780-25 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB T-TT-0780-25?
T-TT-0780-25 is a service bulletin filed with NHTSA by Toyota, covering 11 Toyota models across the 2018–2024 model years. NHTSA's summary reads: 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.
Which vehicles does T-TT-0780-25 cover?
NHTSA's file names Toyota 4Runner (2020–2024); Toyota Avalon (2019–2022); Toyota Camry (2018–2024); Toyota Corolla (2020–2022); Toyota Highlander (2020–2022); Toyota Prius (2020–2022); Toyota RAV4 (2019–2022); Toyota Sequoia (2020–2022); Toyota Sienna (2018–2020); Toyota Tacoma (2020–2023), and 1 more vehicle listed on this page. A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB T-TT-0780-25 a recall, and is the repair free?
No. T-TT-0780-25 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of T-TT-0780-25?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under T-TT-0780-25, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under T-TT-0780-25. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.