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This wasn't easier but I'm glad it worked, as for tips, if you're doing the 24hr subscription, make sure your laptop is communicating with the car prior to starting.

Much thanks Adams3 this process work for me.

This is why I'm asking someone that did it SUCCESSFULLY DIY to share process.

Anyone here ACTUALLY made this change DIY with a subscription? I try to but is getting an "unauthorized configuration change" error.

I am so tired of these tesla wanna-b spokes person. All manufacturers have revised oem part, hence the same part number with A, B, C etc We are asking tesla to help/allow an oem,oem,oem part, did I say oem enough? Which we know there's a documented process to install. there's nothing...

To think that a gateway configuration can lead to liability issues or brick some system down the road is to not understand what we're asking for. Tesla has a documented procedure for configuration change post delivery, we know they do it, have done it extensively during the chips shortage on...

Heated steering wheel config.. is not the best example to the Matrix confi.. Matrix as it stands today is 100% software configurable with new lights installed. And as to your hardware point, some cars are capable of heated steering wheel yet didn't from factory..that's a fact.

Same here and I've own lots of European cars.

I also learn lead tech and engineers are the ones with 1st & 2nd line access, however, if a lead tech change some configuration it should have an open ticket associated with it which in turn get checked and validate by engineering. If lead tech changes configuration without an open ticket...

Yes that's the authorized procedure, however, the on-call engineer will not charge parameters not originally delivered on that Vin

Some may not want to but others can't, I had mobile service for an unrelated issue and had my matrix in place waiting for configuration, the technician was willing to code for free, we try everything, we saw the gateway configuration but couldn't change it value from 28, it's gray out, so level...