OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P2712?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyWorn or hardened seals in the valve body
- PossibleWorn hydraulic pump cannot maintain pressure
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 4–12 h
- Emissions test
- Usually unaffected
- Parts involved
- Hydraulic Pump, Accumulator, Valve Body Seals
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.