IBST family
IBST_a176_blockedPedalDetected
Not Available
What does the IBST_a176_blockedPedalDetected alert mean?
The iBooster (IBST) detects the brake pedal is blocked.
What you'll see in your Tesla
- Not Available
What triggers it
IBST reports the brake pedal is blocked.
When it clears
IBST no longer reports the brake pedal is blocked.
Potential impact
Rate of deceleration while braking is reduced. A loud vibrating noise from the Anti-Lock Braking System (ABS) pump is present during braking events.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
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.