Powertrain
generic / SAE
P2BA5
Particulate Filter Feedgas Performance
The ECM detects that the exhaust gas composition reaching the particulate filter (feedgas) deviates from the calibrated profile. Soot input rate cannot be modelled correctly, affecting regen scheduling.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / A5
Possible causes
- Exhaust leak upstream of DPF high
- EGT sensor pre-DPF drift medium
Symptoms
- Check engine light or DPF warning light on
- Power loss / limp mode
- Increased fuel consumption
- Failed forced regeneration attempts
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1800 €
- Estimated time: 1–6 h
- Component: particulate filter
- Component: exhaust gas temp sensor pre dpf
- MIL / check engine light
- emissions-relevant
- drive cycle required
- limp mode possible
Sources
References
sae:J2012