PCS2 family
PCS2_a114_hvBusEstimatedImpedanceLow
Not Available
What does the PCS2_a114_hvBusEstimatedImpedanceLow alert mean?
The Power Conversion System (PCS) detects the estimated high voltage (HV) bus impedance is lower than the expected threshold.
What you'll see in your Tesla
- Not Available
What triggers it
The estimated HV bus impedance is lower than the expected threshold.
When it clears
The DCDC converter is commanded to shut down or receives a new request to precharge the HV bus.
Potential impact
The DCDC converter may not precharge the HV bus to its commanded voltage target, preventing HV battery pack contactors from closing.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model Y
Model Y 2025+
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