BCFALCD family
BCFALCD_a141_upperRearPosError
Not Available
What does the BCFALCD_a141_upperRearPosError 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
- Not Available
What triggers it
Positions differ by 5 degrees and the upper rear actuator has a lower absolute velocity than the front.
When it clears
A new actuation request comes in
Potential impact
Position differences could indicate damaged, miswired, or unplugged actuators
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.