PCS_a051_chgIntBusUv
Not Available
What does the PCS_a051_chgIntBusUv alert mean?
The onboard charger fails to keep the intermediate bus, an internal component involved in AC/DC conversion, at the required voltage. AC charge rate will be reduced, or AC charging may be unavailable.
What you'll see in your Tesla
- Not Available
What triggers it
The onboard charger intermediate bus voltage is below minimum required voltage threshold.
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
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.