VCFRONT_a339 — iBooster Fast Trip OC Max
Full alert identifier: VCFRONT_a339_iboosterFastTripOCMax
Alert description
The front vehicle controller (VCFRONT) detects the electrical current flowing through the electromechanical brake booster (iBooster) eFuse has equaled or exceeded 100A during the previous 10 milliseconds.
Potential impact
The eFuse circuit may open (trip), interrupting power supply to iBooster and making brake functionality limited.
Set condition
The iBooster eFuse current value equals or exceeds 100A during the previous 10 milliseconds.
Clear condition
The iBooster eFuse current value remains below 100A during the subsequent 10 milliseconds.
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_a339.