PCS family
PCS_a018_chgUnknownGridConfig
Not Available
What does the PCS_a018_chgUnknownGridConfig alert mean?
Charger detects unknown grid configuration
What you'll see in your Tesla
- Not Available
What triggers it
Charger detects unknown grid configuration
When it clears
Charger state machine clears faults
Potential impact
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.