CP family
CP_a086_dcPinTempIrrational
Unable to DC Fast Charge / Supercharge
What does the CP_a086_dcPinTempIrrational alert mean?
The charge port (CP) electronic control unit (ECU) detects an open circuit on the DC pin thermistor.
What you'll see in your Tesla
- Unable to DC Fast Charge / Supercharge
- Try AC Charging - Charge port requires service
What triggers it
The CP ECU detects that the DC pin temperature is less than the open circuit threshold for more than 1 second.
When it clears
The CP ECU detects that the DC pin temperature is greater than the open circuit threshold for more than 1 second.
Potential impact
DC charging does 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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