Quote:
Originally Posted by HodgdonExtreme
Everything electronic on todays cars is part of the CANBUS - the controller area network daiseychain of components, whose activity is digitally controlled via an electronic control module.
Thus, any functionality you want to alter will involve re-flashing an ecu with altered code.
There are forums dedicated to such things, and some very passionate folks that just love to delve into the nitty gritty details of how all that works.
I suggest you search out some of those forums, and prepare yourself for a very, very steep learning curve.
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Yes, I'm aware and have been doing research. There is a class of products that make it simpler such as done with phone app, but also choices clearly best for some makes and models.
The homework has been very entertaining. What a maker's vehicles have in common, and for VAG (VW, Audi) what differences are just software. There's an entertaining part where reading German stumps some and my wife being a near native speaker and loving the car. Another funny aspect of her German mom turned Subaru fan.
A spreadsheet I keep for budgeting is helping me keep my sanity here, and my always trying to now take a plunge too fast. I'm mostly doing sensible things good for our lifestyle and sports we do.