VCSEC family
VCSEC_a191_macIDWlistingFailedC
Use key card
What does the VCSEC_a191_macIDWlistingFailedC alert mean?
An error occurred during whitelisting of Bluetooth Low Energy (BLE) media access control (MAC) addresses
What you'll see in your Tesla
- Use key card
- Reset VCSEC to restore functionality
What triggers it
If any error occured while whitelisting devices
When it clears
Cleared when the endpoint successfully whitelists all the devices
Potential impact
Endpoint may continually trigger FALSE RF Mia alerts (centerEndpointRFMia), causing the alerts to appear repeatedly in logs. This alert does NOT indicate any larger impact to Bluetooth Low Energy (BLE) functionality.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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.