DI_a020_systemHvilNotClosed

The drive interface (DI) electronic control unit (ECU) detects that the high voltage interlock loop (HVIL) is not closed.

 Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

Contactors may not close.

Description

The drive interface (DI) electronic control unit (ECU) detects that the high voltage interlock loop (HVIL) is not closed.

Cause

Any DI unit reports the HVIL status as missing or not closed.

Clear condition

All DI units report that the HVIL status is closed.

Models

Cybertruck, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y 2025+, Semitruck

Visibility

service-fix

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