Powertrain
generic / SAE
P276A
Electric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit / Open
The motor supply line of the second electric or auxiliary transmission fluid pump is open. Pump cannot run, hydraulic pressure is lost during stop-start engine-off events.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / 6A
Possible causes
- Blown fuse on supply line high
- Broken supply wire 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: medium
- DIY: shop recommended
- Estimated cost: 120–1000 €
- Estimated time: 0.8–3.5 h
- Component: aux trans pump b
- Component: supply circuit
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012