MyTeslaMate
BCFDM family

BCFDM_w011_ECUSupplyVoltError

Not Available

What does the BCFDM_w011_ECUSupplyVoltError alert mean?

This message contains separate signals for Overvoltage and Undervoltage for each rail.

What you'll see in your Tesla

  • Not Available

What triggers it

ECU 5V rail detected < 4.5V or > 5.5V, or 3.3V rail < 3.0V or > 3.6V for 100ms.

When it clears

ECU 5V rail detected > 4.5V and < 5.5V, and 3.3V rail > 3.0V and < 3.6V for 1s.

Potential impact

These are the repercussions of the alert being set

Affected models

Model S 2012-2020 Model X 2015-2020

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.