CP family
CP_a162_pilotEdgeDetectionFailedCN
Not Available
What does the CP_a162_pilotEdgeDetectionFailedCN 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. AC charging may be unavailable.
What you'll see in your Tesla
- Not Available
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
AC charging may not be operational on the next attempt. DC fast charging should remain functional.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Semitruck
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.