DIRE1L_a018_hwLVSupplyUV
DIRE1L_a018_hwLVSupplyUV
Alert Information
Category
Other
Severity
critical
Live Incidence Rate
<0.01%
Models
Semitruck
Description
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery undervoltage event.
Potential Impact
The DI ECU triggers limp mode (see separate limpMode alerts) and cannot produce torque or power.
Set Condition
LV supply voltage to DI is disconnected or drops below lower voltage threshold.
Clear Condition
The LV supply rises above the limit threshold.