HVBATT family
HVBATT_a010_InternalIsolation
Unable to drive or charge
What does the HVBATT_a010_InternalIsolation alert mean?
Measurement of internal isolation (within the pack) is too low
What you'll see in your Tesla
- Unable to drive or charge
- High voltage battery requires service
What triggers it
Internal isolation is measured to be below the alert threshold
When it clears
Internal isolation is measured to be above the alert threshold
Potential impact
Pack may not come online
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.