CP family
CP_a129_bldcDriverCommsFailed
Not Available
What does the CP_a129_bldcDriverCommsFailed alert mean?
The charge port (CP) electronic control unit (ECU) loses communication with the brushless DC (BLDC) motor driver.
What you'll see in your Tesla
- Not Available
What triggers it
The CP ECU attempts to communicate with the BLDC motor driver, but fails.
When it clears
The CP ECU establishes communication with the BLDC motor driver.
Potential impact
The CP door will not open or close as expected.
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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