HVBATT family
HVBATT_a174_ChargeFailure
Unable to charge
What does the HVBATT_a174_ChargeFailure alert mean?
The battery management system (BMS) has encountered an issue while charging or attempting to charge.
What you'll see in your Tesla
- Unable to charge
- Disconnect and retry
What triggers it
The BMS detects a condition that prevents it from starting charging.
When it clears
The BMS detects that the condition clears.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Affected models
Cybertruck
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.