MyTeslaMate
SDCRE1L family

SDCRE1L_a012_vBoostSecIrrational

Not Available

What does the SDCRE1L_a012_vBoostSecIrrational alert mean?

Secondary disconnect controller (SDC) boost rail voltage sensor is providing irrational values.

What you'll see in your Tesla

  • Not Available

What triggers it

SDC boost rail sensor reading is below operational value while HV backup rail voltage measurement (Vbackup) is at nominal value.

When it clears

Boost rail sensor voltage reading falls within a nominal / expected range.

Potential impact

Pyro disconnect may not function as expected.

Affected models

Semitruck

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.