CP family
CP_a131_evseCommTimeout
Charging session was not started in time
What does the CP_a131_evseCommTimeout alert mean?
Communication times out between the charge port (CP) electronic control unit (ECU) and the electric vehicle supply equipment (EVSE).
What you'll see in your Tesla
- Charging session was not started in time
- Disconnect charge cable - Then connect and retry
What triggers it
The EVSE and the CP ECU cannot establish communication within the set timeframe between being connected and starting to charge.
When it clears
The charge port (CP) electronic control unit (ECU) detects that the charge cable was disconnected.
Potential impact
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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