BMS family
BMS_f144_SW_CPLD_Version_Wrong
Service is required
What does the BMS_f144_SW_CPLD_Version_Wrong alert mean?
The battery management system (BMS) has detected that the Complex Programmable Logic Device (CPLD) version is not supported by the current firmware (FW).
What you'll see in your Tesla
- Service is required
- Schedule service
What triggers it
The BMS detects that the CPLD version is not supported by the current firmware FW.
When it clears
The BMS detects that the CPLD version is supported by the current firmware FW.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Affected models
Model S 2012-2020
Model X 2015-2020
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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.