MyTeslaMate
EPASTS family

EPASTS_a136_ftElectricalAngleQf

Not Available

What does the EPASTS_a136_ftElectricalAngleQf alert mean?

This alert is reported by the FrequencyTransformer_R12 (FT) component when the electrical angle QoS is Substitute Value or Error and RotorPositionAge tolerance time elapsed. This diagnostic compares the 2 local RPSs, and compares the local RPSs and the remote one. If no RPS is available or it is not decidable which RPS is usable, it signals this.

What you'll see in your Tesla

  • Not Available

What triggers it

Electrical angle QoS is Substitute Value or Error and RotorPositionAge tolarence time elapsed.

When it clears

Electrical angle QoS is Reliable.

Potential impact

Unreliable absolute steering position provision qualifier. Virtual End Lock deactivation.

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.