UMC family
UMC_w015_SA_Connection
Wall plug adapter error - Charge rate reduced
What does the UMC_w015_SA_Connection alert mean?
UMC_w015_SA_Connection
What you'll see in your Tesla
- Wall plug adapter error - Charge rate reduced
- Plug adapter fully into Mobile Connector and retry
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.