MyTeslaMate
HVPACK3 family

HVPACK3_a058_PackCtrOpenedUnexpectedly

Not Available

What does the HVPACK3_a058_PackCtrOpenedUnexpectedly alert mean?

Pack contactor exited the economized state unexpectedly. Possibly insufficient coil drive current.

What you'll see in your Tesla

  • Not Available

What triggers it

Contactor control state exited CLOSED because either of the contactors exited ECONOMIZED.

When it clears

Contactor control state is CLOSED.

Potential impact

Vehicle may lose propulsion or be unable to support LV system.

Affected models

Semitruck

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.