No communication with BECM and interlock issue

[Daniil]

Hello everyone, almost nothing has changed since my last posts, and all the advice did not help me, now I still have an error that there is no connection with the BECM and the interlock is open, something like that. I saw in one thread that water can get into the battery, I decided to remove it, but everything turned out to be perfect there (screenshots), now I don’t even know where to go next. Maybe someone knows where the round connector on the battery goes, I just want to know if the wires from the battery go to the BCM, if so, which ones and where, I just changed some connectors on the BCM. And what is an interlock in general, as I understand, it’s some kind of wire that goes between different modules, how can I understand that it’s faulty, thanks for any help!

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