HVBATT family
HVBATT_a133_PackNegCtrFellOpenLowCoilCurrent
Not Available
What does the HVBATT_a133_PackNegCtrFellOpenLowCoilCurrent alert mean?
Negative contactor opened unexpectedly due to insufficient coil drive current.
What you'll see in your Tesla
- Not Available
What triggers it
Contactor state exited ECONOMIZED because coil current was too low.
When it clears
Contactor state is ECONOMIZED.
Potential impact
Vehicle may lose propulsion or be unable to support LV system.
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.