Hi there - I'm wondering if this is normal. I have Hardware V3 plugged into my 2014 Nissan Leaf S with wifi and cellular. Everything works great until every few days I am no longer able to connected until I force a restart by unplugging and plugging it back in.
I had also a brake failure in -15. I read that ODB2 devices increase chance of a break issue on our cars. Since then I don't use OVMS device.
No this is not normal. Best to open a support ticket with the output of ‘module status’ and we can check.