VCFRONT1_a205 — Overvoltage Protection Triggered
Full alert identifier: VCFRONT1_a205_overvoltageProtectionTriggered
Alert description
Overvoltage bridge 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, and an alert indicating the LV system is unhealthy (LVUnhealthy) sets. Explore the LVUnhealthy alert for more information on system limitations.
Set condition
The 16V bus reports an overvoltage condition on VCFRONT while the vehicle is in Drive.
Clear condition
Overvoltage bridge protection resets when the vehicle is parked and the 16V bus voltage is below 16.5V.
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 |
|---|---|
Bus Voltage
VCFRONT1_
|
V |
Pcs Bridge Current
VCFRONT1_
|
A |
| Signal | Unit |
|---|---|
B Rail Locked
VCFRONT1_
|
— |
Ov 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_a205.