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Model 3 HV battery diagnostics cable and software

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Few weeks ago there was a link on Tesla Service to procedure, software and cable on how to read Model 3 (guess also Y) HV battery status directly from battery itself via low voltage communication port (one under read seat).

Status was intended for 3rd parties who handled HV to know what they are dealing with. Data provided is battery voltage, voltage on each side of pyro fuse, I think also resistance, etc.

I cannot find that link anymore. Does anyone here has the link, know where it was moved?

Michal