VCSEC family
VCSEC_a074_BCS2L_MIA
Not Available
What does the VCSEC_a074_BCS2L_MIA alert mean?
One or more of the messages the vehicle controller receives periodically from the 2nd row left seat body controller (BCS2L) is not received, indicating the BCS2L may be unavailable (MIA).
What you'll see in your Tesla
- Not Available
What triggers it
One or more of the expected messages from the BCS2L is not received.
When it clears
The vehicle controller starts receiving the expected messages from the BCS2L.
Potential impact
2nd row left seat features depending on BCS2L functionality, including seat buckle and heating pad, may be limited or unavailable.
Affected models
Cybertruck
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.