Have Tesla with badly corroded rear brake discs. Software does clearly not help here. It was very bad at the end of winter. Now it’s getting better in spring. I am curious how does it look in autumn. Trying to use mechanical brakes occasionally. I had same story with corroded rear brakes on BMW. The solution was mechanical handbrake.
Which one do you have? I had the same issues with my '19 M3P, all the brakes were badly corroded a year into the lease. Apparently the software to keep this under control came a bit later into the lifecycle, and is not very effective if the problem is already apparent. Anecdotally, what was _very_ effective at cleaning up the brakes was blasting it for a couple laps around the Nürburgring Nordschleife - the grooves / corrosion went away almost completely :D
Now I have a RWD Model 3 with an LFP pack (SR+/"base model"), and have to use the brakes much more than with the old car (that had an NMC pack and almost never limited regen). Over two years in, brakes seem good as new, hopefully they stay this way.
Model Y AWD which saw its first winter recently. So the software should be the recent one. Left side is much worse than right side. Quality problem? Maybe swapping discs before winter could save them. Or replace them before TÜV check, the parts aren’t that expensive.
