PMF family
PMF_a092_xtalOscillator
Powertrain issue detected - Schedule service
What does the PMF_a092_xtalOscillator alert mean?
Pedal Monitor Warning: Crystal oscillator inactive.
What you'll see in your Tesla
- Powertrain issue detected - Schedule service
- Issue may persist even if functionality is restored
What triggers it
This condition is at application boot when the external crystal is not the active clock source.
When it clears
This alert does not clear for the duration of the power on cycle once set.
Potential impact
Unit may have limited torque or torque disablement with this alert present, see other active alerts for more details.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
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.