BMS family
BMS_a052_SW_PCS_MIA
Not Available
What does the BMS_a052_SW_PCS_MIA alert mean?
The battery management system is not receiving the expected CAN messages from the power conversion system (PCS).
What you'll see in your Tesla
- Not Available
What triggers it
The BMS has not received the expected response from the PCS CAN.
When it clears
The BMS has received the expected messages from the PCS CAN.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system.
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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