The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery power supply undervoltage event.
<0.01% (Extremely rare)
None displayed
Drive unit enters unit limp mode (see DI_a126_limpMode)
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery power supply undervoltage event.
LV supply voltage to DI (refer to lvSupply) is disconnected or drops below lower voltage threshold
LV supply rises back above lower threshold
Semitruck
service
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