IDB family
IDB_a009_asicBoostFault
Not Available
What does the IDB_a009_asicBoostFault alert mean?
Integrated Dynamic Brake (IDB) Application Specific Integrated Circuit (ASIC) or Electronic Control Unit power line (ECU) voltage is high/low.
What you'll see in your Tesla
- Not Available
What triggers it
The ASIC boost circuit is not functioning correctly.
When it clears
No ASIC boost circuit issue is detected at the start of the next power cycle. If this condition persists, the IDB module may require replacement.
Potential impact
The ASIC may be sensitive to voltage fluctuations.
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.