HVP family
HVP_w043_packContactorForceOpen
Not Available
What does the HVP_w043_packContactorForceOpen alert mean?
The High Voltage Processor (HVP) has forced the pack contactors open despite the pack contactor state being closed.
What you'll see in your Tesla
- Not Available
What triggers it
The HVP has forced the pack contactors open despite the pack contactor state being closed. Confirm specific set condition using alert log signal data.
When it clears
The HVP detects the pack contactor state as open.
Potential impact
The HVP opened the pack contactors. High voltage will be isolated to just the battery.
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.