OBD-II code · Powertrain (generic, extended)
P2788 Auto Shift Manual Adaptive Learning at Limit
The adaptive learning that compensates for clutch wear or hydraulic drift in an automated manual transmission has reached its limit. No more compensation is available.
Is it safe to drive with P2788?
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
- PossibleHydraulic pressure regulation has drifted
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
- Tcm, Clutch
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.