MyTeslaMate
IDB family

IDB_a022_brakeFluidLow

Brake fluid low

What does the IDB_a022_brakeFluidLow alert mean?

The Integrated Dynamic Brake (IDB) has measured a low brake fluid level.

What you'll see in your Tesla

  • Brake fluid low
  • Pull over safely - Press brake pedal firmly to stop

What triggers it

The brake fluid level signal indicates a low level for more than 5 seconds.

When it clears

The brake fluid level signal indicates a normal level for more than 5 seconds.

Potential impact

Brake Traction Control (BTC), Vehicle Dynamics Control (VDC), Panic Brake Assist (PBA), Hydraulic Fade Compensation (HFC), Controlled Deceleration via Parking brake (CDP), Brake Disc Wipe (BDW), and External Brake Request (EBR) may be unavailable. Brake boost pressure is limited to 125 bar if a brake fluid leak is also detected. The vehicle should be driven with extreme caution.

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.