IBST_a043_micSpiTransferError

iBooster (IBST) detected Serial Peripheral Interface (SPI) transfer to Application-Specific Integrated Circuit (ASIC) failed. Condition can occur due to an error frame incorrect address or timeout CSIH error.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Power braking assist reduced
Braking may require increased effort

Impact

IBST may not operate as expected.

Description

iBooster (IBST) detected Serial Peripheral Interface (SPI) transfer to Application-Specific Integrated Circuit (ASIC) failed. Condition can occur due to an error frame incorrect address or timeout CSIH error.

Cause

IBST detects SPI transfer to ASIC has failed.

Clear condition

iBooster can not recover from this condition. iBooster replacement may be required.

Models

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

Visibility

customer, service-fix

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