SCCM family
SCCM_a074_PLLLossOfLock
Not Available
What does the SCCM_a074_PLLLossOfLock alert mean?
The lock of the phase-locked loop (PLL) is lost. Steering may not operate as expected.
What you'll see in your Tesla
- Not Available
What triggers it
PLL lock has been lost.
When it clears
The alert clears automatically.
Potential impact
Steering functionality may not operate as expected.
Affected models
Model 3 2024+
Model Y 2025+
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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.