PCS family
PCS_a086_dcdcInsufficientCooling
Not Available
What does the PCS_a086_dcdcInsufficientCooling alert mean?
DCDC does not have enough cooling, DCDC system may limit its output power
What you'll see in your Tesla
- Not Available
What triggers it
DCDC converter detects difference in ambient temperature vs. DCDC converter temperature exceeding threshold, indicating that cooling may not be sufficient
When it clears
DCDC converter detects difference in ambient temperature vs. DCDC temperature is below threshold
Potential impact
No impact
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.