MyTeslaMate
PCS2REXB family

PCS2REXB_a047_hvBattBotUnderVoltage

Not Available

What does the PCS2REXB_a047_hvBattBotUnderVoltage alert mean?

The sensor measuring the bottom half of the high voltage (HV) battery voltage detects a value below the allowed voltage threshold

What you'll see in your Tesla

  • Not Available

What triggers it

The sensor measuring the bottom half of the HV battery voltage goes below the allowed voltage threshold

When it clears

The DCDC system retries

Potential impact

DCDC functionality may be limited or paused

Affected models

Cybertruck

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.