MyTeslaMate
PCS2REXB family

PCS2REXB_a147_powerRailOverVoltage

Not Available

What does the PCS2REXB_a147_powerRailOverVoltage alert mean?

The generated power rail (4.5V, 10V, or 18V) has gone above than the allowed upper threshold

What you'll see in your Tesla

  • Not Available

What triggers it

The power rail (4.5V, 10V or 18V) has gone above than the allowed upper threshold

When it clears

The power rail (4.5V, 10V or 18V) returns below the allowed upper threshold

Potential impact

DCDC and DCAC may be limited or unavailable.

Affected models

Cybertruck

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.