PCS family
PCS_a041_dcdcOverTemp
Not Available
What does the PCS_a041_dcdcOverTemp alert mean?
PCS DCDC detects its temperature is too hot to continue operation
What you'll see in your Tesla
- Not Available
What triggers it
DCDC converter temperature exceeds overtemperature threshold for more than one second
When it clears
DCDC converter temperature is below overtemperature clear threshold
Potential impact
Inability to precharge HV bus, inability to support 12V system, inability to drive
Affected models
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.