MyTeslaMate
DPB family

DPB_a221_notShutdownRight

Not Available

What does the DPB_a221_notShutdownRight alert mean?

Plunger was not parked at its sleeping position at the previous postrun.

What you'll see in your Tesla

  • Not Available

What triggers it

The alert is frequently logged during brake system and vehicle production. The alert is set if the NVM item that stores information about the plunger position at the previous shutdown is empty or indicates that the plunger was at an unknown position.

When it clears

Allow system to complete postrun in not degraded mode and power off. Power on again.

Potential impact

System will be running with full assistant for driver brake request.

Affected models

Model Y 2025+

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.