Powertrain
generic / SAE
P278F
Clutch B Adaptive Learning at Limit
The adaptive learning that compensates for clutch B engagement point drift in a DCT has reached its limit.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / 8F
Possible causes
- Clutch worn beyond compensation range high
- Actuator position drift 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: 800–5000 €
- Estimated time: 4–12 h
- Component: dual clutch b
- Component: tcm
- MIL / check engine light
Sources
References
sae:J2012