MyTeslaMate
BCFALCD family

BCFALCD_a121_DoorUSSMIA

Not Available

What does the BCFALCD_a121_DoorUSSMIA alert mean?

Falcon door ultrasonic sensor (USS) is not communicating with the USS controller on the Local Interconnect Network (LIN) bus.

What you'll see in your Tesla

  • Not Available

What triggers it

Falcon door outward ultrasonic sensor is not responding over LIN.

When it clears

Falcon door outward ultrasonic sensor is communicating over LIN.

Potential impact

Falcon door obstacle detection and other features relying on ultrasonic sensor data will not function as expected.

Affected models

Model X 2021+

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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.