DIF_a018_hwLVSupplyUV

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery undervoltage event.

 Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The DI ECU triggers limp mode (see separate limpMode alerts) and cannot produce torque or power.

Description

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery undervoltage event.

Cause

LV supply voltage to DI is disconnected or drops below lower voltage threshold.

Clear condition

The LV supply rises above the limit threshold.

Models

Cybertruck, Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+

Visibility

service-fix

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