Rear Door LH Entry Lock and Unlock Functions do not Operate: Description
WARNING: This page is about a different car, the 2013 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
When the driver side rear door entry lock and unlock functions do not operate, one of the following may be malfunctioning: 1) power door lock system, 2) driver side rear door electrical key oscillator, or 3) certification ECU (smart key ECU assembly).