MyTeslaMate
CHG family

CHG_u002_LineImpedanceTooHigh

Charging stopped due to large voltage drop

What does the CHG_u002_LineImpedanceTooHigh alert mean?

CHG_u002_LineImpedanceTooHigh

What you'll see in your Tesla

  • Charging stopped due to large voltage drop
  • Remove extension cords / Have wiring inspected

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.