PCS family
PCS_a016_chgAllPhasesFaulted
Cannot charge - Poor grid power quality possible
What does the PCS_a016_chgAllPhasesFaulted alert mean?
All charger phases are faulted, not able to deliver power to the battery pack
What you'll see in your Tesla
- Cannot charge - Poor grid power quality possible
- Retry / Try other charge location or Supercharging
What triggers it
All charger phases are faulted and retries are exhausted
When it clears
Charge cable is removed or inserted or battery management system issues clear fault request
Potential impact
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.