OBD-II code · Powertrain (generic, extended)
P2789 Clutch A Adaptive Learning at Limit
The adaptive learning that compensates for clutch A engagement point drift in a DCT has reached its limit. Clutch wear is at end of life.
Is it safe to drive with P2789?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyClutch worn beyond compensation range
- PossibleActuator position drift
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
- 4–12 h
- Emissions test
- Usually unaffected
- Parts involved
- Dual Clutch A, Tcm
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.