MyTeslaMate
PCS2REXB family

PCS2REXB_a123_DcdcBHvOverTemp

Not Available

What does the PCS2REXB_a123_DcdcBHvOverTemp alert mean?

The high voltage (HV) side of the pack side DCDC converter (DCDCB) temperature is too high

What you'll see in your Tesla

  • Not Available

What triggers it

DCDCB HV temperature exceeds the allowed temperature threshold

When it clears

DCDCB HV temperature falls below the acceptable threshold

Potential impact

DCDC functionality may be limited or paused

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.