MyTeslaMate
GTW family

GTW_w177_BCFALCDversionMismatch

Not Available

What does the GTW_w177_BCFALCDversionMismatch alert mean?

The vehicle gateway (GTW) detects the driver-side Falcon door electromechanical controller (BCFALCD) electronic control unit (ECU) is running a firmware version that may not be compatible with the firmware installed on the rest of the vehicle.

What you'll see in your Tesla

  • Not Available

What triggers it

The GTW detects the BCFALCD running a different firmware version than expected.

When it clears

The GTW no longer detects the BCFALCD running a different firmware version than expected.

Potential impact

Features depending on BCFALCD functionality, including Falcon door functions, may be limited or unavailable.

Affected models

Model S 2021+ 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.