MyTeslaMate
PCS2REXA family

PCS2REXA_a088_chgInputVDropHigh

Charge rate reduced - Unexpected voltage drop

What does the PCS2REXA_a088_chgInputVDropHigh alert mean?

During AC charging, the measured root mean squared (RMS) voltage across the lines has decreased below the voltage drop threshold when compared to the RMS voltage at the start of AC charging

What you'll see in your Tesla

  • Charge rate reduced - Unexpected voltage drop
  • Remove extension cords / Have wiring inspected

What triggers it

The RMS voltage across the lines has decreased below the voltage drop threshold

When it clears

The RMS voltage across the lines has no longer decreased below the voltage drop threshold

Potential impact

Reduced AC charge rate

Affected models

Cybertruck

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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.