Powertrain
generic / SAE
P2712
Hydraulic Power Unit Leakage
The transmission hydraulic power unit (pump + accumulator) has detected a pressure drop that suggests internal leakage. Pressure cannot be held during shifts.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / 12
Possible causes
- Worn or hardened seals in the valve body high
- Worn hydraulic pump cannot maintain pressure medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 600–4500 €
- Estimated time: 4–12 h
- Component: hydraulic pump
- Component: accumulator
- Component: valve body seals
- MIL / check engine light
Sources
References
sae:J2012