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VCREAR_a204 — Undervoltage Loadshed Triggered

Full alert identifier: VCREAR_a204_undervoltageLoadshedTriggered

Alert description

Undervoltage loadshed protection has tripped on the Rear Vehicle Controller (VCREAR). Low Voltage (LV) bridge is expected to be open until the protection is cleared.

Potential impact

LV bridge is open. Impacted load(s) unavailable in Drive.

Set condition

48V bus is reported undervoltage on VCREAR while the vehicle is in Drive.

Clear condition

Undervoltage loadshed protection resets when the vehicle is parked and the 48V bus voltage exceeds 28V.

Signals to check

These diagnostic fields are associated with VCREAR_a204. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Vbus Voltage VCREAR_a204_vbusVoltage V

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCREAR_a204.

Browse all VCREAR alert codes