IBST_a031_decoupleBitTestFault
Description
iBooster (IBST) detected a failure in system Application-Specific Integrated Circuit (ASIC). Failure is due to an electric or hydraulic decouple bit not being reset automatically.
Condition
IBST detects an ASIC failure due to an electric or hydraulic decouple bit automatic reset error.
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+