BMS family
BMS_a066_SOC_Imbalance_Warning
Not Available
What does the BMS_a066_SOC_Imbalance_Warning alert mean?
This alert is an early warning for a064 SOC Imbalance, which limits the battery's max SOC. It triggers with a lower threshold than SOC imbalance
What you'll see in your Tesla
- Not Available
What triggers it
The estimated imbalance between average SOC and min SOC > SOC_IMBALANCE_WARNING_SET_THRESHOLD
When it clears
The estimated imbalance between average SOC and min SOC < (SOC_IMBALANCE_WARNING_SET_THRESHOLD - SOC_IMBALANCE_CLEAR_HYSTERESIS)
Potential impact
Indication that brick imbalance is increasing and may result in a064, which limits max charge
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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.