BCFALCD family
BCFALCD_w177_USSDoorResonanceErr
Not Available
What does the BCFALCD_w177_USSDoorResonanceErr alert mean?
The Falcon Door Body Controller has detected the resonance period reported by the ultrasonic sensor is out of bounds.
What you'll see in your Tesla
- Not Available
What triggers it
The ultrasonic sensor reports a resonance period outside of the expected range.
When it clears
The ultrasonic sensor reports a resonance period within the expected range.
Potential impact
The ultrasonic sensor may be unable to detect obstacles in the door's path.
Affected models
Model S 2012-2020
Model X 2015-2020
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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.