PCS2 family
PCS2_a045_hvBattTopUnderVoltage
Not Available
What does the PCS2_a045_hvBattTopUnderVoltage alert mean?
The sensor measuring the top half of the high voltage (HV) battery voltage detects a value below the allowed voltage threshold
What you'll see in your Tesla
- Not Available
What triggers it
The sensor measuring the top half of the HV battery voltage goes below the allowed voltage threshold
When it clears
The DCDC system retries
Potential impact
DCDC functionality may be limited or paused
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model Y
Model Y 2025+
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