Powertrain
generic / SAE
P049D
EGR A Control Position Exceeded Learning Limit
EGR A Control Position Exceeded Learning Limit: the control module has detected this fault condition. Without valid EGR feedback the ECU disables exhaust gas recirculation and may set further EGR codes.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / 9D
Possible causes
- Heavy carbon deposits on EGR A seat high
- Actuator gearing worn medium
Symptoms
- Check engine light on
- Pinging or knocking under load
- Power loss and hesitation
- Possible rough idle
- Failed emissions inspection (NOx)
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 300–1200 €
- Estimated time: 1.5–4 h
- Component: egr valve a
- Component: egr position sensor a
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012