VCFRONT_a121 — Pump Chiller IC Latch Fault
Full alert identifier: VCFRONT_a121_pumpChillerICLatchFault
Alert description
The front vehicle controller (VCFRONT) detects the LV8907 integrated circuit on the chiller pump motor is experiencing an electrical condition (short or disconnect), which may prevent the chiller pump from running as expected.
Potential impact
Powertrain performance may be limited.
Set condition
The LV8907 integrated circuit on the chiller pump motor experiences an electrical condition (short or disconnect) that prevents the motor controller from driving the motor.
Clear condition
The LV8907 integrated circuit on the chiller pump motor resets or no longer experiences an electrical condition (short or disconnect) that prevents the motor controller from driving the motor.
Signals to check
These diagnostic fields are associated with VCFRONT_a121. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Fet Short Circuit
VCFRONT_
|
— |
Locked Rotor
VCFRONT_
|
— |
Over Current Error
VCFRONT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a121.