Ive seen in the past Dala had an issue with his 62kwh leaf battery with HV isolation on a cell in the rear stack. That cell group was damaged and leaking hv voltage thro the battery case.
He had to remove that stack and replace it with a used stack from a seperate battery.

Just a thought
Anthony.

Hi Heinz,
thank you for replying.

today i tried getting leafspy to connect, but had no connection.

looking at the back of the plug, i connected
pin 1 can h
pin 2 can L
pin 3 +12v
pin 4 +12v
pins 5,6 & 7 GND, although on the socket on the battery there is no pin at pin 5 present, there are only ...

Hello Heinz,
I am having the same issues you had when trying to connect to my stand alone battery,
can you please advise where exactly you connected onto the pins to get the leafspy to connect to the bms.
I have a cable ready to connect, i have tried connecting as follows
looking at the pins ...