VCFRONT_a482 — Lv Bridge eFuse Trip
Full alert identifier: VCFRONT_a482_lvBridgeEFuseTrip
Alert description
The front vehicle controller (VCFRONT) has opened the voltage supply circuit to the LV Bridge, making the low voltage (LV) battery no longer supported by the power conversion system (PCS). If the PCS is no longer providing support to VCFRONT, functions on the right side of the vehicle will be unavailable.
Potential impact
The low voltage (LV) battery is no longer supported by the power conversion system (PCS). If the PCS is no longer providing support to the front vehicle controller (VCFRONT), functions on the right side of the vehicle will be inoperable / unavailable because the right vehicle controller (VCRIGHT) will no longer be powered by VCFRONT.
Set condition
A condition causing the voltage supply to the LV Bridge to be interrupted is reported by the LV Bridge EFuse circuitry.
Clear condition
A condition causing the voltage supply to the LV Bridge to be interrupted is no longer reported by the LV Bridge EFuse circuitry.
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 |
|---|---|
Lv Bridge E Fuse Current
VCFRONT_
|
A |
Lv Bridge E Fuse Temp
VCFRONT_
|
degC |
Lv Bridge E Fuse Voltage
VCFRONT_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a482.