Unable To Connect To Call Center [08/2019 - ]: Description
WARNING: This page is about a different car, the 2022 Toyota Sequoia, 2021 Toyota Sequoia, and 2020 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
This may occur when the intensity of telephone radio frequency was very weak, or the safety connect system has a malfunction and a DTC is set.