VCFRONT1_a204 — Undervoltage Loadshed Triggered
Full alert identifier: VCFRONT1_a204_undervoltageLoadshedTriggered
Alert description
Undervoltage loadshed protection initiated on the Front Vehicle Controller (VCFRONT). Low Voltage (LV) bridge is expected to be open until the protection clears.
Potential impact
LV bridge is open. Impacted loads unavailable in Drive.
Set condition
The 16V bus reports an undervoltage condition on VCFRONT while the vehicle is in Drive.
Clear condition
Undervoltage loadshed protection resets when the vehicle is parked and the 16V bus voltage exceeds 10V.
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 |
|---|---|
Pcs Bridge Current
VCFRONT1_
|
A |
Vbus Voltage
VCFRONT1_
|
V |
| Signal | Unit |
|---|---|
B Rail Locked
VCFRONT1_
|
— |
Uv Loadshed Fault Inject
VCFRONT1_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT1_a204.