MyTeslaMate
HVBATT family

HVBATT_a312_InvalidPcsLineConfiguration

AC Charging and Powershare unavailable

What does the HVBATT_a312_InvalidPcsLineConfiguration alert mean?

The High Voltage Battery (HVBATT) electronic control unit (ECU) detects the Power Conversion System (PCS) line configuration is unknown, which may cause AC Charging and Powershare features to be unavailable.

What you'll see in your Tesla

  • AC Charging and Powershare unavailable
  • Service is required

What triggers it

A valid PCS line configuration is not loaded from the configuration record.

When it clears

The configuration record is programmed with a valid PCS line configuration.

Potential impact

AC charging and Powershare features, such as Home Backup, may be unavailable.

Affected models

Cybertruck

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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.