VCFRONT_a347 — iBooster Fast Trip Slope
Full alert identifier: VCFRONT_a347_iboosterFastTripSlope
Alert description
The front vehicle controller (VCFRONT) detects the electrical current flowing through the electromechanical brake booster (iBooster) eFuse has equaled or exceeded a current slope value (rate of change) of 120A per millisecond.
Potential impact
The eFuse circuit may open (trip), interrupting power supply to iBooster and making brake functionality limited.
Set condition
The iBooster eFuse current slope value equals or exceeds 120A per millisecond.
Clear condition
The iBooster eFuse current slope value is below 120A per millisecond.
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
Avg Current
VCFRONT_
|
A |
Max Current
VCFRONT_
|
A |
Max Slope
VCFRONT_
|
A/ms |
| Signal | Unit |
|---|---|
Vehicle State
VCFRONT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a347.