CP family
CP_a152_pilotEdgeDetectionFailed
Charge port error detected - Unable to charge
What does the CP_a152_pilotEdgeDetectionFailed alert mean?
The Charge Port (CP) Electronic Control Unit (ECU) is unable to detect the control pilot signal due to an internal condition on the CP ECU. Charging may be unavailable.
What you'll see in your Tesla
- Charge port error detected - Unable to charge
- Schedule service to restore charging functionality
What triggers it
The CP ECU is unable to receive the expected control pilot signal waveform due to an internal condition on the CP ECU.
When it clears
Automatically clears when the vehicle is asleep.
Potential impact
Charging may be unavailable during the next charge attempt.
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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