BMSSEMI family
BMSSEMI_a039_CacChange
Not Available
What does the BMSSEMI_a039_CacChange alert mean?
Battery Management System Semi (BMSSEMI) has detected a Calculated Amp-Hour Capacity (CAC) update resulted in a large change above the alert threshold and was saturated.
What you'll see in your Tesla
- Not Available
What triggers it
CAC update resulted in a large change above the alert threshold and was saturated.
When it clears
The alert should clear automatically after setting as it is mainly for informational purpose.
Potential impact
This alert is for informational purpose only.
Affected models
Semitruck
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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.