MyTeslaMate
EPASTS family

EPASTS_a080_pwmTimerSyncCheck

Not Available

What does the EPASTS_a080_pwmTimerSyncCheck alert mean?

This alert is reported by the PWMDriverCD_TC3x component when the control cycle and tasking cycle synchronization mismatch.

What you'll see in your Tesla

  • Not Available

What triggers it

EPAS application component PWM monitor detected failure (control cycle and tasking cycle synchronization mismatch).

When it clears

EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.

Potential impact

EPAS reset. If reset more than 5 times then EPAS full loss of assist.

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.