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Q
2020 Tesla Model Y BMS

BMS_a027 stays in memory, needs to be reset via toolbox 3, it resets the counter
- Qasim
- Post #19
- Sep 26, 2022
- Forum: Technical
Q
BMS_a027 error

Someone just posted this
- Qasim
- Post #3
- Sep 19, 2022
- Forum: Model 3
Q
BMS_a027 error

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...
- Qasim
- Thread
- Sep 19, 2022
- Replies: 63
- Forum: Model 3
Q
2020 Tesla Model Y BMS

I’ve the same BMS_a027 code after recent update 2022.28.1
- Qasim
- Post #17
- Sep 19, 2022
- Forum: Technical