Does the power of Sharp pcm have an impact after the upgrade?

The meaning of automobile "pcm" is: 1, the electronic control system of engine is called ECU, 2, and it is called PCM and TCM in Ford, where PCM is dedicated to the control of power output and TCM is used for the conversion control of automatic gearbox. 3.PCM will receive sensor signals, control the adjustment of fuel supply, gas distribution (electronic throttle), fuel injection and ignition timing and intake pressure through complex calculation, and determine the compensation control coefficient of the engine according to temperature, load, knock and combustion conditions.