gonna find the wiring diagram for the correct canbus cable guys and send. Check after this for the diagram
Blue and white /blue /green and white /orange and white /orange /green /brown /brown and white
Orange / orange and white / green and white / blue / blue and white / green / brown / brown and white
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BMS communication cable AView attachment 86800
Did a sketch diagram hope this helps with all those BMS Error 20 codes