MyTeslaMate
VCFRONT family

VCFRONT_a128_vcrightEFuseTrip

Not Available

What does the VCFRONT_a128_vcrightEFuseTrip alert mean?

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

What you'll see in your Tesla

  • Not Available

What triggers it

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

When it clears

VCFRONT no longer detects the eFuse circuit gating low voltage (LV) power feed to VCRIGHT 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

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

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.