VCFRONT_a127_vcleftEFuseTrip

The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the left vehicle controller (VCLEFT), interrupting power supply to VCLEFT.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

Functions on the left side of the vehicle may be limited or unavailable.

Description

The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the left vehicle controller (VCLEFT), interrupting power supply to VCLEFT.

Cause

VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to VCLEFT as open (tripped).

Clear condition

VCFRONT no longer detects the eFuse circuit gating low voltage (LV) power feed to VCLEFT as open (tripped) after a retry or sleep cycle, or the vehicle enters a state where the eFuse is expected to be open (off).

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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