Well, I talked with the guy at Home - ABSFixer and he said it wasn’t repairable due to them growing the ICs on the silicone wafer thus it’s not as simple as resoldering cold joints or soldering new diodes etc. I have some background in electronics but not much on silicone manufacturing so ran it by an EE friend who guessed he was talking about PUFs. That said my friend could be completely wrong as to what abs fixer guy was referring to.Curious where you saw/heard that. I wouldn't think a vehicle of that vintage would would have much in the way of any security functions - cybersecurity only started being a really hot topic about 5ish years ago. I can't speak to everything a supplier might add though to prevent tampering, especially for a safety critical part. I would think it would be potentially repairable.
Regardless, right now the last resort plan is to pull the EBCM and see if buddy and I can fix it. We both have the tools - o scopes, power supplies, logic analyzers etc although he has significantly more electrical debugging knowledge.
edit - sounds like you may have some EE knowledge. Any idea what manufacturing process absfixer guy could have been referring to?
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