The iBooster (IBST) detects the brake pedal is blocked.
<0.01% (Extremely rare)
None displayed
Rate of deceleration while braking is reduced. A loud vibrating noise from the Anti-Lock Braking System (ABS) pump is present during braking events.
The iBooster (IBST) detects the brake pedal is blocked.
IBST reports the brake pedal is blocked.
IBST no longer reports the brake pedal is blocked.
Cybertruck, Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+
service
Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.