OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

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.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / 88

Possible causes

  • Clutch worn beyond compensation range high
  • Hydraulic pressure regulation has drifted 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: 600–4000 €
  • Estimated time: 3–10 h
  • Component: tcm
  • Component: clutch
  • MIL / check engine light

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication