iBooster (IBST) monitoring of voltage pre-charge (VPRE) U5V over and undervoltage bits has detected an out of range value.
<0.01% (Extremely rare)
Power braking assist reduced
Braking may require increased effort
IBST may not operate as expected.
iBooster (IBST) monitoring of voltage pre-charge (VPRE) U5V over and undervoltage bits has detected an out of range value.
IBST monitoring of VPRE U5V over and undervoltage bits detects an out of range value.
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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