EPBL family
EPBL_a242_hvOutputLocked
Not Available
What does the EPBL_a242_hvOutputLocked alert mean?
A request to change the HVC or Contactor power state has been denied.
What you'll see in your Tesla
- Not Available
What triggers it
Electronic Parking Brake Right detects high voltage lockout request timed out after 0.5 seconds
When it clears
Electronic Parking Brake Right unlocks high voltage output
Potential impact
High Voltage control or contactor may be faulted
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.