MCU family
MCU_u019_ServiceShellActiveConnection
Active service connection to vehicle
What does the MCU_u019_ServiceShellActiveConnection alert mean?
Active Service Connection.
What you'll see in your Tesla
- Active service connection to vehicle
- Service performing remote diagnostics
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.