DPB family
DPB_a211_pressureSensor1Fault
Power braking assist reduced
What does the DPB_a211_pressureSensor1Fault alert mean?
Pressure Sensor 1 internal alert.
What you'll see in your Tesla
- Power braking assist reduced
- Braking may require increased effort
What triggers it
Pressure Sensor 1 reports an error code
When it clears
Switch on ECU wait 5 seconds
Potential impact
System will request Hydraulic Boost Compensation when driver pressed the brake pedal.
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.