DTC B2013: Id Discord I-Key-STRG: Description
WARNING: This page is about a different car, the 2010 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
Intelligent Key unit performs the ID verification with the steering lock unit and releases the steering lock if both Intelligent Key unit and steering lock unit ID are same. Intelligent Key unit starts the communication with the steering lock unit when Intelligent Key is carried into the vehicle and the ignition knob switch is pressed.