Powertrain
generic / SAE
P24C5
EGR Cooler Bypass Position Sensor Exceeded Learning Limit Bank 2
The bypass valve position sensor learning has reached its software-side limit on bank 2 - typically heavy soot deposits have shifted the mechanical zero beyond the design adaptation range.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / C5
Possible causes
- Heavy carbon build-up on valve seat high
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: 200–1200 €
- Estimated time: 1–4 h
- Component: egr cooler bypass position sensor b2
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012