CP family
CP_a173_coverOpenAcChgBlocked
AC charging unavailable - OK to DC Fast Charge
What does the CP_a173_coverOpenAcChgBlocked alert mean?
AC charging is unavailable because the charge port (CP) electronic control unit (ECU) has detected that the CP AC charging connector is not present on the back of the CP inlet.
What you'll see in your Tesla
- AC charging unavailable - OK to DC Fast Charge
- Service required to restore AC charging
What triggers it
The CP ECU detects the charge port AC charging connector is not present.
When it clears
The CP ECU detects the AC charging connector is present.
Potential impact
AC charging will be unavailable.
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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