MyTeslaMate
VCFRONT family

VCFRONT_a266_EPAS3pVoltageMismatch

Not Available

What does the VCFRONT_a266_EPAS3pVoltageMismatch alert mean?

The vehicle controller detects there is voltage mismatch greater than 0.5V between the input power to the front vehicle controller (VCFRONT) and the primary power steering circuit for the primary Electronic Power Assisted Steering (EPAS3P) electronic control unit (ECU).

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

Power steering 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.