DI family
DI_a042_pmfMIA
Not Available
What does the DI_a042_pmfMIA alert mean?
The drive interface (DI) electronic control unit (ECU) detects that the front propulsion monitor (PMF) 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 PMF, and considers the PMF irrational or MIA.
When it clears
The DI ECU receives the required CAN messages from the PMF.
Potential impact
The PM system is unable to determine the PMF state.
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.