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Originally Posted by UnknownJinX
Assuming someone will program it for you, they are also probably enough 6th Gens in the junkyard for you to just swap it out.
Also, I can't see why electronics would randomly fail on a low mileage car that's driven semi-regularly and stored properly for winter. These things are usually solid-state so vibrations, etc. shouldn't wear them as much as they do to mechanical parts.
Again, it's just tradeoff. The things modern cars are capable of are due to these electronics. That's just how it is.
It's like comparing those brick Nokias to modern smartphones. Yeah, those bricks are indestructible but about the only things you can do is call, text, and maybe play Snakes(ah the nostalgia). Modern smartphones don't really last all that long(planned obsolescence doesn't help) but you can do more with them.
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Electronics are affected by temperature (storage and use), moisture, and the BIG enemy, electro-static discharge, which has brought planes out of the sky and sent satellites out of control.
Long term more than 60% of the "leftover" electronics will fail even without use. Also, EEPROMS, which store data in your car (settings etc.) have a limited amount of read write cycles, so they do actually wear out. This is why modern cell phones fail most often, the eMMC Flash (essentially the SSD in a phone and modern computers) also has limited cycles. They will all fail eventually with no potential replacement as the technology won't exist anymore.
Even in eMMC flash, parts 5 years ago cannot work with current systems and visa versa, it is just how technology moves, always forward leaving everything behind and not compatible.
Don't get me started on the flash controllers which fail or go obsolete even faster.
Seen this thousands of times over the years.
Replacement products/technology is how it is handled, not trying to redesign old tech to work with new. Too many roadblocks and issue to even try that. Electronics sustaining engineering is my area of specialty, I am not spitballing here, this is all real world facts in the entire electronics industry, consumer to aerospace and everything in between.
Re-engineering or updating any of these complex electronic systems in the car are not worth the cost of doing so. You could get to Mars cheaper and easier.