MyTeslaMate
VCFRONT family

VCFRONT_a344_pcsFastTripSlope

Not Available

What does the VCFRONT_a344_pcsFastTripSlope alert mean?

The front vehicle controller (VCFRONT) detects the electrical current flowing through the power conversion system (PCS) eFuse has equaled or exceeded a current slope value (rate of change) of 120A per millisecond.

What you'll see in your Tesla

  • Not Available

What triggers it

The PCS eFuse current slope value equals or exceeds 120A per millisecond.

When it clears

The PCS eFuse current slope value is below 120A per millisecond.

Potential impact

The eFuse circuit may open (trip), interrupting low voltage power supply to the PCS. This could make PCS functions limited or unavailable, and could interrupt precharging of the high voltage (HV) bus .

Affected models

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.