PCS family
PCS_a019_acChargePowerLimited
Power grid or vehicle issue limiting AC charging
What does the PCS_a019_acChargePowerLimited alert mean?
The Power Conversion System (PCS) electronic control unit (ECU) detects the charger power is limited and unable to provide the amount of user-requested power.
What you'll see in your Tesla
- Power grid or vehicle issue limiting AC charging
- Unplug and retry / Try different charging location
What triggers it
The PCS ECU detects the charger is unable to provide the amount of user-requested power for more than 3 seconds.
When it clears
The PCS ECU detects the charger is able to provide the amount of user-requested power for more than 5 seconds.
Potential impact
The rate of AC charging may be limited.
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.