Can I Change PID Setting in Firmware on My Own?

Hello Everyone!

I’m the user of CR-200 3D printer.

A few days ago, I replaced thermistor and Heater, and I solderded them. After changing them, “wobble” occured.

I guessed the wobble occurs because of Z axis part or extruder, and I changed Z-axis motor and extruder. But after changing them, It had still occurs.

Having Thought about why it still occurs, I guessed It may be occur because resistence of hotend and thermistor wire was changed by soldering them. So, I decided to change PID Setting in firmware.

So can I change PID setting in firmware on my own? And, If there is way, please tell me how to do it. Or If there is another way to solve not to change PID Setting, please tell also.

For reference, Board on my 3d printer is “Creality 4.2.5”.

Thank!