MyTeslaMate
VCFRONT family

VCFRONT_a409_invalidConfiguration

Not Available

What does the VCFRONT_a409_invalidConfiguration alert mean?

The front vehicle controller (VCFRONT) detects an invalid coolant pump configuration. Powertrain thermal management and performance may be limited. A VCFRONT reset will typically clear the alert by correctly configuring the pump.

What you'll see in your Tesla

  • Not Available

What triggers it

The coolant pump configuration detected does not match the configuration expected by VCFRONT.

When it clears

The coolant pump configuration detected matches the configuration expected by VCFRONT, which may occur after a VCFRONT reset.

Potential impact

The coolant pump may not work as expected, limiting powertrain thermal management and performance.

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.