MyTeslaMate
HVBATT family

HVBATT_a095_LsPyroSrFetBad

Not Available

What does the HVBATT_a095_LsPyroSrFetBad alert mean?

Low-side pyro low-side switch (SR FET) is non-functional.

What you'll see in your Tesla

  • Not Available

What triggers it

Low-side pyro-P voltage does not rise to within a margin of the energy reserve voltage when the SR FET is enabled.

When it clears

Low-side pyro-P voltage rises to within a margin of the energy reserve voltage when the SR FET is enabled.

Potential impact

Low-side pack High Voltage will be blocked, charge and drive may be unavailable.

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.