BCFALCD family
BCFALCD_w140_upperFrontPosError
Falcon door motion interrupted
What does the BCFALCD_w140_upperFrontPosError alert mean?
This alert is our best guess at which actuator is problematic, but this could be incorrect.
What you'll see in your Tesla
- Falcon door motion interrupted
- Retry or manually move door
What triggers it
Positions differ by 5 degrees and the upper front actuator has a lower absolute velocity than the rear.
When it clears
A new actuation request comes in
Potential impact
Position differences could indicate damaged, miswired, or unplugged actuators
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.