PCS2 family
PCS2_a099_LineChassisRmsOV
Not Available
What does the PCS2_a099_LineChassisRmsOV alert mean?
The root mean squared (RMS) voltage from AC Line to Chassis has exceeded the expected RMS voltage threshold
What you'll see in your Tesla
- Not Available
What triggers it
The RMS voltage from AC Line to Chassis has exceeded the expected RMS voltage threshold
When it clears
The RMS voltage from AC Line to Chassis has no longer exceeded the expected RMS voltage threshold
Potential impact
AC Charging may be limited or unavailable.
Affected models
Model 3 2017-2023
Model 3 2024+
Model Y
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.