Toyota Grand Highlander 2023–2024 — technical service bulletin
Bulletin T-TT-0751-24 · NHTSA communication 11003552 · issued Apr 1, 2024
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
17
vehicle entries
Official summary
Some customers have complained that the wireless functions of their Key Fob stop working. Key Fob LEDs will not turn ON, but engine starts with key held up against start button. Key battery voltage is confirmed OK and no DTC/RoB is found. This condition may occur if customer places Key Fob near wireless charger while phone is charging. When the key battery is removed and reinstalled, the Key Fob begins to operate normally.
Vehicles covered
- 2024 Toyota Grand Highlander
- 2024 Toyota Grand Highlander Hybrid
- 2023 Toyota Highlander
- 2024 Toyota Highlander
- 2023 Toyota Highlander Hybrid
- 2024 Toyota Highlander Hybrid
- 2023 Toyota Sequoia Hybrid
- 2024 Toyota Sequoia Hybrid
- 2023 Toyota Sienna Hybrid
- 2024 Toyota Sienna Hybrid
- 2023 Toyota Tacoma
- 2024 Toyota Tacoma
- 2024 Toyota Tacoma Hybrid
- 2023 Toyota Tundra
- 2024 Toyota Tundra
- 2023 Toyota Tundra Hybrid
- 2024 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.