> limit or disable certain functionality in the vehicle: ... over-the-air updates, which provide new ... safety enhancements ... I wonder what happens if you disable the e-SIM (in the US) and then a safety recall appears via software update - do dealers have any way to update control modules besides OTA? This is a huge unresolved issue with EVs IMO; ICE cars are required to provide emissions-relevant updates over sof…
My experience is J2534 support is sketchy and if you want to do the things you actually want to do you need a manufacturer approved device with an insane markup. Also the subscriptions are insanely expensive, not even close to reasonable and you need to be a company (at least you used to be with Ford last time I checked, but they accept the UK or Dutch royal residence as a valid company location so there is that...)
Certainly not any time in the last 15 years that I’ve been buying IDS/FDRS and service manual access.