PCS2 family
PCS2_a094_acChargingUnavailable
AC Charging unavailable
What does the PCS2_a094_acChargingUnavailable alert mean?
The Power Conversion System (PCS) detects a condition causing AC charging to be unavailable.
What you'll see in your Tesla
- AC Charging unavailable
- Schedule service
What triggers it
PCS detects a condition causing AC charging to be unavailable. See alert log signal data for more information.
When it clears
PCS no longer detects the condition affecting AC charging functionality.
Potential impact
The vehicle will be unable to AC charge as expected.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
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.