PCS2 family
PCS2_a123_DcdcBHvOverTemp
Not Available
What does the PCS2_a123_DcdcBHvOverTemp alert mean?
The high voltage (HV) side of the pack side DCDC converter (DCDCB) temperature is too high
What you'll see in your Tesla
- Not Available
What triggers it
DCDCB HV temperature exceeds the allowed temperature threshold
When it clears
DCDCB HV temperature falls below the acceptable threshold
Potential impact
DCDC functionality may be limited or paused
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
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.