IBST_a027_ecuFastWdTestFault
Description
iBooster (IBST) detected a missing Built-In Self-Test (BIST) trigger did not electrically switch off as expected.
Condition
IBST detects BIST trigger did not switch off as expected.
Clear Condition
iBooster can not recover from this condition. iBooster replacement may be required.
Potential Impact
IBST may not operate as expected.
Customer Facing Message 1
Power braking assist reduced
Customer Facing Message 2
Braking may require increased effort
Audiences
customer;service-fix
Models
Cybertruck;Model 3 2017-2023;Model 3 2024+;Model S 2021+;Model X 2021+;Model Y;Model Y 2025+