HVBATT family
HVBATT_a099_LsPyroDeploymentFault
Not Available
What does the HVBATT_a099_LsPyroDeploymentFault alert mean?
There was an attempt to deploy the low-side pyro, but it was unsuccessful.
What you'll see in your Tesla
- Not Available
What triggers it
The firmware could not successfully trigger a low-side pyro deployment or there was an attempt to deploy the low-side pyro while the deployed test was actively running for the low-side pyro.
When it clears
Clears automatically.
Potential impact
The vehicle may not drive or charge.
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.