CP family
CP_a153_thermalAcLimitActive
Not Available
What does the CP_a153_thermalAcLimitActive alert mean?
The charge port inlet pin temperature has reached a level where limiting AC charge current is necessary until temperature returns to normal operating range.
What you'll see in your Tesla
- Not Available
What triggers it
The charge port inlet pin temperature reaches an unexpected level (temperature detected exceeds normal operating range).
When it clears
The charge port inlet pin temperature returns to an acceptable level (within normal operating range).
Potential impact
AC charge current is limited.
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.