MyTeslaMate
HVLINK family

HVLINK_a007_PedalMonitorHvilOpen

High voltage system error detected

What does the HVLINK_a007_PedalMonitorHvilOpen alert mean?

The Pedal Monitor (PM) High Voltage Interlock Loop (HVIL) is reported as open.

What you'll see in your Tesla

  • High voltage system error detected
  • Vehicle may not restart - Service is required

What triggers it

The PM HVIL is reported as open.

When it clears

The PM HVIL must be closed by rectifying the source of opening.

Potential impact

DC Link may discharge or fail to energize.

Affected models

Semitruck

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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.