Code result
P278F
Clutch B Adaptive Learning at Limit
High severity
What it means
The adaptive learning that compensates for clutch B engagement point drift in a DCT has reached its limit.
Is it safe to drive?
No — stop driving
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.
Most likely causes
Clutch worn beyond compensation range
highOne of the most commonly reported causes for this code — check this first.
Actuator position drift
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P278F freeNo credit card required