DIF_a149 — Oil Pump Failure

Full alert identifier: DIF_a149_oilPumpFailure

Message shown in the car

Powertrain requires service Vehicle speed and power may be limited

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

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal	Unit
Flow `DIF_a149_flow` 255 SNA	LPM
Temperature `DIF_a149_temperature`	DegC
Voltage `DIF_a149_voltage`	V

Signal	Unit
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`	—
State `DIF_a149_state` 0 STANDBY 1 ENABLE 2 COLD STARTUP 6 FAULTED 7 SNA	—

Check other alerts

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