PCS family
PCS_a009_chgPfcCurrentRegulation
Not Available
What does the PCS_a009_chgPfcCurrentRegulation alert mean?
Charger is not able to regulate its input current
What you'll see in your Tesla
- Not Available
What triggers it
Charger PFC current regulator error exceeds threshold
When it clears
Charger PFC current regulator error is below clear threshold
Potential impact
Reduced AC charge rate or inability to AC charge
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.