You did this also having to replace the audio control module and associated parts, no?
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It is fairly clear that any 'upgrade' you do using forscan may need parts involved for many options and that forscan simply enables you to 'do it yourself,' enabling the user to adjust the programming. It's very useful as it eliminates the need to go to the dealer to have the 'option' enabled and/or installed. Some things don't require an add on part and simply need to be enabled. Sorry, this is me kind of thinking out loud to get a good understanding of forscan so it sounds redundant. As I said, I'm new to forscan.
But, it's also a pretty good scanner for helping to track down a problem with the convenience of using your iPhone, Android as the 'tool'. So far, I haven't really found any upgrade or option to enable other than the ones I have mentioned. I already have many of the options suggested in this thread that doesn't require a 'memory' system to function.