tinoale wrote:I do not know, as of now, where is this board physically located. Any pointer to this information would be greatly appreciated.
Your videos show exactly the same issue as I had, where voltages jumped up and down, mine was also CMU10. I would not buy a replacement CMU, instead fix the one you have like I did, otherwise you may find that the board you buy will not communicate with the BMU, it may not really be number 10, etc, etc.
When you take the battery pack out, there are 10x 8-cell modules, (and also 2x 4-cell modules if its a 16kwh pack). Using the diagram that kiev posted, identify which is module 10.
Disconnect the little communications connector, take the bus bar off and get module 10 out, remove the metal end caps and metal cover, then pop off the plastic cover and you can see the CMU board - there is one of these on each battery module.
You will be able to see the LTC6802-G2 chip - can you order one of these and then get someone to swap it out (laptop/mobile phone repair guy?).
Please ensure you follow the mitsubishi safety instructions for safe removal of the battery pack - it also weighs 240kg but i did all this on my driveway with 2 jacks and concrete blocks !