Powertrain
generic / SAE
P2D31
Intake Manifold Tuning Valve Exceeded Learning Limit Bank 1
The required adaptation offset for the intake manifold tuning valve on bank 1 exceeds the calibrated learning window. Mechanism wear or sensor drift beyond compensation.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberD / 31
Possible causes
- Mechanism worn at end-stops high
- Position sensor reference drifted medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1000 €
- Estimated time: 1–4 h
- Component: intake manifold tuning valve b1
- Component: ecm
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012