BCFALCD family
BCFALCD_a271_USS_hwWatchdogFail
Not Available
What does the BCFALCD_a271_USS_hwWatchdogFail alert mean?
Failure of the Falcon Door Ultrasonic Sensor (USS) Hardware Watchdog Timer detected.
What you'll see in your Tesla
- Not Available
What triggers it
The designated hardware watchdog timer tasked with monitoring USS equipment fails to perform its duties correctly.
When it clears
USS Hardware Watchdog Timer resumes regular function.
Potential impact
Timer failure may cause erratic behavior, total failure, or diminished performance in USS operations.
Affected models
Model X 2021+
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.