Murano won't move when shifted into any gear.

It doesn't sound very positive. Ensure your transmission fluid is full and clean. Testing your automatic transmission for proper operation is really all that can be done. Either a mechanical or electrical concern is likely occurring, but it's too hard to say without proper equipment attached to the vehicle by a skilled technician. I would suspect an internal mechanical transmission issue since you have some kind of lock up engagement in neutral that prevents moving the vehicle. Good luck.