OBD-II code · Powertrain (generic, extended)
P2855 Clutch A Pressure Charge Performance
Clutch A hydraulic pressure does not build up as expected when commanded to engage. Engagement is delayed or weakened.
Is it safe to drive with P2855?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyClutch actuator seal leaks
- PossibleAerated transmission fluid
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
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 3–10 h
- Emissions test
- Usually unaffected
- Parts involved
- Clutch A, Clutch Actuator A, Transmission Fluid
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.