>" Obfuscating (because that’s what they are doing not encrypting for security). Revisiting releasing documentation is more effort than posting it on a damn web

>" Obfuscating (because that’s what they are doing not encrypting for security). Revisiting releasing documentation is more effort than posting it on a damn website." There is a great deal of encryption on modern vehicles; most new models have encrypted communications backbones. >"Takes time and money. Writing code, developing tools, and creating repair manuals has to be done either way." What takes time and money? Obfuscation, or creating open tools? I think you may be surprised to learn how poorly the 'design-side' supports the 'service-side' in automotive and other vehicular industries. >"How in gods name is making something accessible more expensive when you are already doing these things for your internal technicians." The automakers do a lot of ad-hoc stuff, and they're often inconsistent between models and platforms. Making things uniformly accessible is different from their normal modus operandi, and likely more expensive.