IBST_a116 — Supply Undervoltage Lvl2
Full alert identifier: IBST_a116_supplyUndervoltageLvl2
Message shown in the car
Power braking assist reduced Braking may require increased effort
Alert description
iBooster (IBST) detected UBB voltage is in undervoltage level 2 failure range. System shall be in 'ReducedPerformance' state.
Potential impact
IBST may not operate as expected.
Set condition
IBST detected UBB voltage is in undervoltage level 2 failure range. System shall be in 'ReducedPerformance' state.
Clear condition
iBooster can not recover from this condition. iBooster replacement may be required.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of IBST_a116.