CC family
CC_a011_ambientOT
Unable to charge - Wall Connector too hot
What does the CC_a011_ambientOT alert mean?
Wall connector printed circuit board assembly (PCBA) temperature is too high.
What you'll see in your Tesla
- Unable to charge - Wall Connector too hot
- Let Wall Connector cool and try again
What triggers it
Wall connector PCBA temperature exceeds 100 degC.
When it clears
Wall connector PCBA temperature falls below 80 degC or user interaction if charging was stopped.
Potential impact
Wall connector will reduce reported current capability in 25 percent increments until condition clears, or current reaches 0 and charging is stopped.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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.