VCFRONT_a133 — Esp eFuse Trip

Full alert identifier: VCFRONT_a133_espEFuseTrip

Alert description

The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the electronic stability control (ESP), interrupting power supply to the ESP.

Potential impact

Vehicle stability control may be limited.

Set condition

VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to ESP as open (tripped).

Clear condition

VCFRONT no longer detects the eFuse circuit gating low voltage (LV) power feed to ESP as open (tripped) after a retry or sleep cycle, or the vehicle enters a state where the eFuse is expected to be open (off).

Signals to check

These diagnostic fields are associated with VCFRONT_a133. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Esp E Fuse Current `VCFRONT_a133_espEFuseCurrent`	A
Esp E Fuse Temp `VCFRONT_a133_espEFuseTemp`	degC
Esp E Fuse Voltage `VCFRONT_a133_espEFuseVoltage`	V

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a133.