DI family
DI_a064_pmsrmUnitMiaWithHvDown
Not Available
What does the DI_a064_pmsrmUnitMiaWithHvDown alert mean?
The drive interface (DI) electronic control unit (ECU) detects that a permanent magnet drive unit has gone missing while the high voltage (HV) system is not up
What you'll see in your Tesla
- Not Available
What triggers it
The DI ECU is not receiving the expected CAN communication from a permanent magnet drive unit, and considers it irrational or MIA.
When it clears
Clears on DI power cycle.
Potential impact
The DI ECU cannot determine the state of a permanent magnet drive unit.
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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