IDB family
IDB_a046_fadeCompensationActive
Not Available
What does the IDB_a046_fadeCompensationActive alert mean?
Hydraulic Fade Compensation (HFC) is active.
What you'll see in your Tesla
- Not Available
What triggers it
The IDB has activated HFC.
When it clears
The IDB has deactivated HFC.
Potential impact
The Integrated Dynamic Brake (IDB) is increasing actuated brake torque to compensate for brake fade due to high brake temperatures.
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.