MyTeslaMate
UMC family

UMC_w005_inputUnderVoltage

Unable to charge with Mobile Connector

What does the UMC_w005_inputUnderVoltage alert mean?

UMC_w005_inputUnderVoltage

What you'll see in your Tesla

  • Unable to charge with Mobile Connector
  • Voltage too low / 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.