I have 2021 Model 3, after Recent update to 2022.28.1 I had this BMS_a027 fault. It says High voltage isolation dropped under threshold many drive sessions. I’ve seen these posts in Tesla Facebook groups which were the same issues after recent update to 2022.28.1
Strangely all post disease from Facebook now but I’ve screenshot.
Strangely all post disease from Facebook now but I’ve screenshot.
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