DIF_a149 — Oil Pump Failure

Full alert identifier: DIF_a149_oilPumpFailure

Alert description

Drive Inverter Warning: Oil pump failure

Potential impact

Initiates reduced drive unit performance and a speed limit on the vehicle, due to reduced gear lubrication and motor cooling

Set condition

Loss of communication or power to oil pump, persistent oil pump motor stall occurred, or persistent condition affecting oil pump functionality detected

Clear condition

Clears at the start of a drive cycle, if set condition is not present anymore

Signals to check

These diagnostic fields are associated with DIF_a149. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Flow `DIF_a149_flow` 255 SNA	LPM
Fluid Temp SNA `DIF_a149_fluidTempSNA`	—
Insufficient Flow `DIF_a149_insufficientFlow`	—
Motor Flow SNA `DIF_a149_motorFlowSNA`	—
Motor Open Phase `DIF_a149_motorOpenPhase`	—
Motor Shorted `DIF_a149_motorShorted`	—
Pcba ID `DIF_a149_pcbaID` 0 LESS THAN 5 1 5	—
Response Error `DIF_a149_responseError`	—

Show 3 more fields

Signal	Unit
State `DIF_a149_state` 0 STANDBY 1 ENABLE 2 COLD STARTUP 6 FAULTED 7 SNA	—
Temperature `DIF_a149_temperature`	DegC
Voltage `DIF_a149_voltage`	V

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIF_a149.