DPB family
DPB_a087_diagHydProtectionVlvFault
Not Available
What does the DPB_a087_diagHydProtectionVlvFault alert mean?
Valve overheat protection is enabled.
What you'll see in your Tesla
- Not Available
What triggers it
The valve overheat protection is enabled. This can happen when the valves actuate for too long in diagnostic mode.
When it clears
A successful test after 300 seconds when diagnostic actuation of valves and pump motor is switched off will heal the issue
Potential impact
System will be running with full assistant for driver brake request.
Affected models
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.