PCS family
PCS_a028_chgOutputUv
Not Available
What does the PCS_a028_chgOutputUv alert mean?
PCS output under-voltage detected while being commanded to charge
What you'll see in your Tesla
- Not Available
What triggers it
Charger DC output voltage is below minimum output voltage threshold
When it clears
Charger phase state machine clears faults for phase
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+
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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.