UI family
UI_a127_lowBrakeAirPressure
Low Air Pressure
What does the UI_a127_lowBrakeAirPressure alert mean?
The Tesla Air Suspension Electronic Control Unit (ECU) has detected low pressure while the vehicle is in an active drive cycle.
What you'll see in your Tesla
- Low Air Pressure
- PULL OVER IMMEDIATELY
What triggers it
The Tesla Air Suspension ECU has detected low pressure while the vehicle is in an active drive cycle. Tesla Air Suspension may have a condition affecting functionality.
When it clears
The Tesla Air Suspension ECU no longer detects low air pressure.
Potential impact
Tesla Air Suspension may not function as expected.
Affected models
Semitruck
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.