MyTeslaMate
VCFRONT family

VCFRONT_a488_difVoltageMismatch

Not Available

What does the VCFRONT_a488_difVoltageMismatch alert mean?

The front vehicle controller (VCFRONT) detects there is voltage mismatch greater than 0.5V between the input power to the VCFRONT and front drive inverter (DIF) circuit.

What you'll see in your Tesla

  • Not Available

What triggers it

The voltage mismatch is greater than 0.5V between the VCFRONT printed circuit board assembly (PCBA) input voltage and the eFuse output voltage.

When it clears

The voltage mismatch is less than 0.5V between the VCFRONT printed circuit board assembly (PCBA) input voltage and the eFuse output voltage.

Potential impact

Vehicle speed and power may be limited.

Affected models

Model S 2021+ Model X 2021+

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.