VCLEFT_a218_drveBlckdVltgeTooHgh
Electrical system power reduced
What does the VCLEFT_a218_drveBlckdVltgeTooHgh alert mean?
The vehicle cannot enter Drive state because the measured low voltage (LV) battery voltage is too high.
What you'll see in your Tesla
- Electrical system power reduced
- Vehicle may shut down unexpectedly
What triggers it
The measured LV battery voltage is greater than its maximum operating voltage threshold for 3 consecutive seconds.
When it clears
The measured LV battery voltage is less than its maximum operating voltage threshold.
Potential impact
Vehicle may be unable to drive, or may take longer than expected to enter Drive state. Voltage regulation performance may be reduced across the low voltage electrical system.
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.