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VCFRONT_a143 — Pump Chiller IC Trans Fault

Full alert identifier: VCFRONT_a143_pumpChillerICTransFault

Alert description

The front vehicle controller (VCFRONT) detects the LV8907 integrated circuit on the chiller pump motor issued a circuit warning, 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 on the chiller pump motor issues a circuit warning that prevents the motor controller from driving the motor.

Clear condition

The LV8907 integrated circuit on the chiller pump motor no longer issues a circuit warning that prevents the motor controller from driving the motor.

Signals to check

These diagnostic fields are associated with VCFRONT_a143. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Chp Under Voltage VCFRONT_a143_chpUnderVoltage —
Th Over Temperature VCFRONT_a143_thOverTemperature —
Vgl Under Voltage VCFRONT_a143_vglUnderVoltage —
Vs Over Voltage VCFRONT_a143_vsOverVoltage —
Vs Under Voltage VCFRONT_a143_vsUnderVoltage —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a143.

Browse all VCFRONT alert codes