The answer to your question is "I don't know"!

There have been lots of reports that hot pixels (or stuck pixels) have "fixed themselves" after a similar process which usually involves activating the sensor clean function with a lens mounted and the lens cap on. Sometimes it's suggested that you first take a shot at high ISO with an exposure of a second or so.

I've seen claims it works on any EOS DSLR camera and other claims that it doesn't work at all. It's hard to separate truth from fiction here. Canon have never commented on the issue and what happens when it does work isn't really known.

Canon can "map out" bad pixels, but they don't say how they do it and it may involve some reprograming of internal camera memory. What then happens is that the value of any pixels which have been mapped are interpolated from the neighboring pixels.

So whatever is happening during the cleaning process, it certainly does no harm, so if you are bothered by hot/stuck/dead pixels you can't lose anything by trying it.