I just had this same problem for the first time today. I live in florida and have had my z1 for about a year now with no problems. I was in and out of my truck 7 or 8 times today in the heat (93 degree ambient) and didn't have a problem until the last time. My truck is black so it gets hot inside but like I said, a year with no problems. About a week or so ago it actually reached 101 and didn't have a problem then. My unit isn't bypassed and I dont have any updates at all. When it happened today I stopped and turned off truck/waited and restarted...same problem. When I got home I turned
