You wouldn't want to switch the wires around, you would want to switch the cells around.
The sensor wire for cell #9, for example, needs to be on the cell in the #9 spot, so if cell #9 is suspect then swap cell #9 with maybe #16, and leave the #9 sensor wire on spot #9.
I don't think you have a cell problem, I think you have a BMS problem or BMS settings problem.
I don't think JK makes a paralell BMS in the 16s 300A variety so I think it is safe to assume that you won't have to worry about charging on the correct connection on the BMS, Both charging and power use should be going through the same connection on the BMS.
When ANY cell voltage gets above the cell OVP set point the BMS should trigger protection and shut off the whole battery (but the Bluetooth should still work).
How is your SOC indicator working? If it is working like you want then disregard the following, but if it is not working like you want, try changing the SOC-100% to 55.12V (3.445*16) and the SOC-0% to 43.2V (2.7*16).
How is your cell balancing working? The pics show the cells balanced, but they also show that balance is "off". Does it only show balancing as "on" when it is actually balancing?
I am wondering if Start Balance Voltage is cell voltage or pack voltage. Same with Power off Voltage.
If this were my set-up I would also have my Charge OCP Delay set at 10s and it should always be set lower than the Charge OCPR time. I would also change Discharge OCP Delay to 60s and increase the Discharge OCPR to at least 120.
I always want my release times larger than my protection times, but that is just my 2 cents.
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