HVP family
HVP_w044_fcContactorForceOpen
Not Available
What does the HVP_w044_fcContactorForceOpen alert mean?
The High Voltage Processor (HVP) has forced the Fast Charge (FC) contactors open despite the FC contactor state being closed.
What you'll see in your Tesla
- Not Available
What triggers it
The HVP has forced the FC contactors open despite the FC contactor state being closed. Confirm specific set condition using alert log signal data.
When it clears
The HVP detects the FC contactor state as open.
Potential impact
The HVP opened the FC contactors. The vehicle may not be able to Supercharge or DC charge.
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.