Toyota 4RUNNER I-Force Max Hybrid 2022–2025 — technical service bulletin
Bulletin T-SB-0049-26 · NHTSA communication 11037198 · issued Aug 19, 2026
Technical service bulletin
communication type
Power Train
component
2022–2025
model years
12
vehicle entries
Official summary
Some 2022 – 2025 model year Tundra Hybrid, 2023 – 2025 model year Sequoia Hybrid, 2024 –2025 Land Cruiser and Tacoma Hybrid, and 2025 4Runner Hybrid vehicles may exhibit a whine noise from the transmission when in Ready ON mode.
Vehicles covered
- 2025 Toyota 4RUNNER I-Force Max Hybrid
- 2024 Toyota Land Cruiser Hybrid
- 2025 Toyota Land Cruiser Hybrid
- 2023 Toyota Sequoia Hybrid
- 2024 Toyota Sequoia Hybrid
- 2025 Toyota Sequoia Hybrid
- 2024 Toyota Tacoma Hybrid
- 2025 Toyota Tacoma Hybrid
- 2022 Toyota Tundra Hybrid
- 2023 Toyota Tundra Hybrid
- 2024 Toyota Tundra Hybrid
- 2025 Toyota Tundra 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.