BMS family
BMS_w117_SW_Delta_SOC_Weak_Short
Not Available
What does the BMS_w117_SW_Delta_SOC_Weak_Short alert mean?
A given brick has an alpha signal below the alert Alpha threshold.
What you'll see in your Tesla
- Not Available
What triggers it
The computed alpha estimate for a brick is repeatedly below the alert Alpha threshold. Note: This Threshold comes via CAN from UI Data Field -> GTW -> BMS via MCU_dSocAlertThreshold.
When it clears
The CLEAR_SOC1_SNAPSHOT UDS StartRoutine is invoked.
Potential impact
If set and MCU_dSocAlertEnable=1, max charge may be limited; see BMS_u029_dSoc_Limiting.
Affected models
Model S 2012-2020
Model X 2015-2020
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.