MyTeslaMate
HVBATT family

HVBATT_a146_FcNegCtrCloseFailNoCoilCurrent

Not Available

What does the HVBATT_a146_FcNegCtrCloseFailNoCoilCurrent alert mean?

Tried to close negative contactor but failed because the coil drive current was too low.

What you'll see in your Tesla

  • Not Available

What triggers it

Contactor state timed out of PULLED_IN because of insufficient contactor coil current.

When it clears

Contactor state is ECONOMIZED.

Potential impact

Negative FC contactor will remain open.

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.