MyTeslaMate
EPASTP family

EPASTP_a217_msdMasterSilentErr

Not Available

What does the EPASTP_a217_msdMasterSilentErr alert mean?

This alert is reported by the MasterSilentDecition_T222 (MSD) component if there is a problem with the master-silent decision, i.e. both sides are master or both sides are silent.

What you'll see in your Tesla

  • Not Available

What triggers it

EPAS master-silent decision failure leading to a master or silent on both sides at the same time.

When it clears

If the Error report defined by the Master Silent Decision Diagnostic module is ceased.

Potential impact

Both EPAS primary and secondary can be master or silent.

Affected models

Model Y 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.