Linking to MyTesla doesn't work, neither does tokens

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/linking-to-mytesla-doesnt-work-neither-does-tokens/
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March 28th was the last time ABRP recorded a drive with my Tesla. Since then it's apparently been disconnected, and I cannot get it reconnected.

I have tried logging in with a refresh token, generated with the "Auth for Tesla" iOS app, but ABRP says the token is invalid.

I have tried logging in on iOS with my Tesla account in ABRP - and it goes away/seems successful, but then the app never changes any status or anything (still acts like my car isn't connected to any accounts).

Any advice/help would be appreciated here.