Yes. Pressing the latch button every time before plugging in has resulted in 100% success. Before that, I always plugged in without pressing the button. That also worked fine for the first several months of owning the car, until the trouble started.
I have been using the Siemens...
I have been driving a 2017 Leaf for about one year now. Couple of month ago I started intermittently having a similar problem. After reading up on the charging connection protocol, I discovered that the thumb latch activates a switch that is designed to signal the charging circuits to prepare...