UMC family
UMC_w004_inputOverVoltage
Unable to charge with Mobile Connector
What does the UMC_w004_inputOverVoltage alert mean?
UMC_w004_inputOverVoltage
What you'll see in your Tesla
- Unable to charge with Mobile Connector
- Voltage too high / Try a different wall outlet
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.