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VCFRONT_a285 — Evaporator Exv Fault

Full alert identifier: VCFRONT_a285_evaporatorExvFault

Alert description

The evaporator EXV's motor driver has reported a fault.

Potential impact

Cabin / powertrain cooling and heating performance may be limited.

Set condition

The EXV motor driver has reported a fault.

Clear condition

The EXV motor driver no longer reports a fault.

Signals to check

These diagnostic fields are associated with VCFRONT_a285. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Charge Pump Undervoltage VCFRONT_a285_chargePumpUndervoltage —
Driver Has Comm Error VCFRONT_a285_driverHasCommError —
Driver State VCFRONT_a285_driverState —
Driver Therm Shutdown VCFRONT_a285_driverThermShutdown —
Driver Therm Warn VCFRONT_a285_driverThermWarn —
Is Coil Open X VCFRONT_a285_isCoilOpenX —
Is Coil Open Y VCFRONT_a285_isCoilOpenY —
Is Coil Short XN Gnd VCFRONT_a285_isCoilShortXNGnd —
Show 8 more fields
Signal Unit
Is Coil Short XN Vbb VCFRONT_a285_isCoilShortXNVbb —
Is Coil Short XP Gnd VCFRONT_a285_isCoilShortXPGnd —
Is Coil Short XP Vbb VCFRONT_a285_isCoilShortXPVbb —
Is Coil Short YN Gnd VCFRONT_a285_isCoilShortYNGnd —
Is Coil Short YN Vbb VCFRONT_a285_isCoilShortYNVbb —
Is Coil Short YP Gnd VCFRONT_a285_isCoilShortYPGnd —
Is Coil Short YP Vbb VCFRONT_a285_isCoilShortYPVbb —
Undervoltage VCFRONT_a285_undervoltage —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a285.

Browse all VCFRONT alert codes