iBooster (IBST) detected UBB voltage is above shutdown threshold (overvoltage level 3).
<0.01% (Extremely rare)
Power braking assist reduced
Braking may require increased effort
IBST may not operate as expected.
iBooster (IBST) detected UBB voltage is above shutdown threshold (overvoltage level 3).
IBST detected UBB voltage is above shutdown threshold.
iBooster can not recover from this condition. iBooster replacement may be required.
Cybertruck, Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+
customer, service-fix
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