CP family
CP_a046_lostCommsEVSE
Charging equipment communication lost
What does the CP_a046_lostCommsEVSE alert mean?
Vehicle unexpectedly lost digital communications with offboard charging equipment. Charging may be interrupted.
What you'll see in your Tesla
- Charging equipment communication lost
- Check power source and charging equipment
What triggers it
Any message required to control a charge session via digital communications goes missing unexpectedly.
When it clears
The charge port (CP) detects a valid line charge pilot signal, the charge cable is unplugged, or the charge port attempts to re-establish digital communications.
Potential impact
Charging may be interrupted unexpectedly.
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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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.