MyTeslaMate
VCFRONT family

VCFRONT_a133_espEFuseTrip

Not Available

What does the VCFRONT_a133_espEFuseTrip alert mean?

The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the electronic stability control (ESP), interrupting power supply to the ESP.

What you'll see in your Tesla

  • Not Available

What triggers it

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

When it clears

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

Potential impact

Vehicle stability control may be limited.

Affected models

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

Track your Tesla's alerts automatically

Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.