Powertrain
generic / SAE
P287D
Electric/Auxiliary Transmission Fluid Pump Motor Torque Out Of Range
The motor torque required by the auxiliary transmission fluid pump is outside the calibrated window for the commanded duty. Pump load too high or too low for expected operation.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number8 / 7D
Possible causes
- Pump internal wear changes torque demand high
- Fluid viscosity outside spec medium
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–1800 €
- Estimated time: 2–7 h
- Component: aux transmission pump
- Component: transmission fluid
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012