DIF family
DIF_a092_bmsMIA
Not Available
What does the DIF_a092_bmsMIA alert mean?
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the high voltage (HV) battery management system (BMS) controller area network (CAN) node is missing (MIA).
What you'll see in your Tesla
- Not Available
What triggers it
The DI ECU is not receiving the expected CAN communication from the BMS, and considers it irrational or MIA.
When it clears
The DI ECU receives the required CAN messages from the BMS.
Potential impact
The DI ECU is unable to monitor the state of the BMS.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.