DIRE1R family
DIRE1R_a018_hwLVSupplyUV
Not Available
What does the DIRE1R_a018_hwLVSupplyUV alert mean?
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery undervoltage event.
What you'll see in your Tesla
- Not Available
What triggers it
LV supply voltage to DI is disconnected or drops below lower voltage threshold.
When it clears
The LV supply rises above the limit threshold.
Potential impact
The DI ECU triggers limp mode (see separate limpMode alerts) and cannot produce torque or power.
Affected models
Semitruck
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