Powertrain
generic / SAE
P2878
Clutch B Disengagement Time Too Fast
Clutch B releases faster than calibrated. Risk of torque interruption and driveline shock.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number8 / 78
Possible causes
- Pressure regulator undershoots release ramp high
- Increased internal leakage at the actuator 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: 500–2800 €
- Estimated time: 3–10 h
- Component: clutch b
- Component: clutch actuator b
- Component: transmission fluid
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012