CC family
CC_a042_pcbaTempFoldback
Wall Connector internal temperature is high
What does the CC_a042_pcbaTempFoldback alert mean?
PCBA temperature is too high
What you'll see in your Tesla
- Wall Connector internal temperature is high
- Maximum charge rate reduced
What triggers it
PCBA temperature exceeds threshold
When it clears
PCBA temperature falls below threshold
Potential impact
Charging rate will be reduced by 50 percent
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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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.