PCS_a012_chgPfcIBandTracerFault
Not Available
What does the PCS_a012_chgPfcIBandTracerFault alert mean?
The onboard charger detects an input current value outside expected range, reducing AC charge rate or making AC charging unavailable. This alert frequently sets during grid transients that cause the input current to deviate from the expected range.
What you'll see in your Tesla
- Not Available
What triggers it
The onboard charger detects an input current value outside expected range.
When it clears
The onboard charger will restart the affected converter(s) automatically until the maximum number of retry attempts has been reached.
Potential impact
Reduced AC charge rate or inability to AC charge.
Affected models
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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.