VCFRONT_a194_iBoosterRetry

The electromechanical brake booster (iBooster) eFuse was retried because it tripped (circuit opened) due to inrush current when enabled by the front vehicle controller (VCFRONT).

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

Braking functionality may be limited.

Description

The electromechanical brake booster (iBooster) eFuse was retried because it tripped (circuit opened) due to inrush current when enabled by the front vehicle controller (VCFRONT).

Cause

On transition into the ACCESSORY vehicle power state, if the iBooster eFuse tripped (circuit opened) within 1 second of the enable line going high (power applied to the iBooster by the VCFRONT).

Clear condition

Clears automatically.

Models

Cybertruck, Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+

Visibility

service

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