Powertrain
generic / SAE
P243A
Particulate Filter Restriction Ash Accumulation Bank 2
The diesel particulate filter on bank 2 reports backpressure attributable to ash (non-combustible residue from oil and fuel additives, not removable by regeneration). The filter has reached the end of its service life and needs cleaning or replacement.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 3A
Possible causes
- DPF full of ash high
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: 800–3500 €
- Estimated time: 3–8 h
- Component: dpf b2
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012