DIF_a251 — Oil Pump Service

Full alert identifier: DIF_a251_oilPumpService

Message shown in the car

Gearbox fluid service required Schedule service

Alert description

Drive Inverter Warning: Oil pump service

Potential impact

Drive Unit thermal estimation and limits are conservative, potential torque limiting with aggressive driving, recommend inspecting drive unit oil level and oil pump

Set condition

Adverse oil pressure detected or DC current sensor rationality degraded, see reason payload

Clear condition

Adverse pressure condition or sensor condition has been cleared

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
Dc Current `DIF_a251_dcCurrent` 255 SNA	A
Dc Voltage `DIF_a251_dcVoltage` 255 SNA	V
Lead Angle `DIF_a251_leadAngle`	degrees
Oil Flow `DIF_a251_oilFlow` 255 SNA	LPM
Oil Temperature `DIF_a251_oilTemperature` 255 SNA	DegC
Phase Current `DIF_a251_phaseCurrent` 255 SNA	A

Signal	Unit
Reason `DIF_a251_reason` 0 NONE 1 PRESSURE LOW 2 PRESSURE HIGH 3 CURRENT SENSOR 4 INSUFFICIENT FLOW	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIF_a251.