DPB family
DPB_a086_diagHydProtectionPressFault
Not Available
What does the DPB_a086_diagHydProtectionPressFault alert mean?
High system pressure protection is enabled.
What you'll see in your Tesla
- Not Available
What triggers it
High pressure is created in the system due to eg: plunger movement in diagnostic mode. Alert is set in diagnostic mode, when high pressure is built up within Hydraulic Unit.
When it clears
A successful test after 5 seconds of issue detection will heal the issue
Potential impact
System will be running with full assistant for driver brake request.
Affected models
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.