PCS family
PCS_a003_chgHwInputOv
Not Available
What does the PCS_a003_chgHwInputOv alert mean?
Charger input line over voltage
What you'll see in your Tesla
- Not Available
What triggers it
Charger AC input voltage peak level exceeds maximum input voltage peak threshold
When it clears
Charger phase state machine clears faults for phase
Potential impact
Reduced AC charge rate or inability to AC charge, possibly due to incompatible grid
Affected models
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.