PCS family
PCS_a007_chgPhaseTempHot
Charging system temperature high
What does the PCS_a007_chgPhaseTempHot alert mean?
Charger detects phase or ambient temperature is high
What you'll see in your Tesla
- Charging system temperature high
- Maximum charge rate reduced
What triggers it
Charge rate limited by phase or ambient temperature for more than five seconds
When it clears
Charge rate not limited by phase or ambient temperature for more than five seconds
Potential impact
Reduced AC charge rate
Affected models
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.