IDB family
IDB_a047_brakeDiscWipeActive
Not Available
What does the IDB_a047_brakeDiscWipeActive alert mean?
Brake Disc Wipe (BDW) is active.
What you'll see in your Tesla
- Not Available
What triggers it
The IDB receives a valid BDW request via the EPBL_brakeDiscWipeRequest Controller Area Network (CAN) signal.
When it clears
The Integrated Dynamic Brake (IDB) is no longer generating brake pressure for BDW.
Potential impact
The IDB is applying an small amount of brake pressure in order to clear the brake discs of water without decelerating the vehicle.
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.