CP family
CP_a006_lostCommsBMS
Unable to charge
What does the CP_a006_lostCommsBMS alert mean?
Expected Battery Management System (BMS) controller area network (CAN) messages are missing. Charging may not start.
What you'll see in your Tesla
- Unable to charge
- Service is required
What triggers it
Charge port (CP) does not receive all expected controller area network (CAN) messages from the Battery Management System (BMS).
When it clears
Charge port (CP) receives all expected controller area network (CAN) messages from the Battery Management System (BMS).
Potential impact
Charging may not start.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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