HVBATT family
HVBATT_a040_DriveInverterHvilUnknown
High voltage system error detected
What does the HVBATT_a040_DriveInverterHvilUnknown alert mean?
The Drive Inverter (DI) High Voltage Interlock Loop (HVIL) is reporting as unknown, breaking the overall High Voltage Battery (HVBATT) HVIL.
What you'll see in your Tesla
- High voltage system error detected
- Vehicle may not restart - Service is required
What triggers it
The DI HVIL is reported as unknown.
When it clears
The DI HVIL must be closed or open.
Potential impact
Vehicle may be unable to enter drive and may be unable to charge.
Affected models
Cybertruck
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