DTC B15DA: Rear Console Recognition Disconnected: Description

The display and navigation module display and rear power seat switch are connected by the AVC-LAN communication line. When an AVC-LAN communication error occurs between the display and navigation display and rear power seat switch, this DTC will be stored.

DTC Code	DTC Detection Condition	Trouble Area
B15DA	When either of the conditions below is met: Rear power seat switch is/was not connected while the engine switch on (IG or ACC). Communication between the master unit and the rear power seat switch is not.	Rear power seat switch Display and navigation module display Harness or connector

HINT:

Even if no fault is present, this DTC may be stored depending on the battery condition or engine start voltage.
The display and navigation module display is the master unit.