Reprogramming remotes

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Service procedures state the use of the Tech 2 is required, but this is a normal process since all dealers have a Tech 2 and it is usually a bit faster than the non-Tech 2 process.
To prove out the other process (non-tech 2) works, I would need a different remote to program to the H3. The only H3s we have in the back are the H3G and a 2008 so the BCMs might be different.
I'll try and call the engineer today, if I get the time.
I would assume it will work the same; but then the H3 has a new style BCM and it does have some unique characteristics.

Maybe someone here has already tried this non-tech 2 procedure?????