Powertrain
generic / SAE
P2464
Diesel Particulate Filter Differential Pressure Too High
The differential pressure across the DPF exceeds the calibrated upper threshold during operation. Indicates severe blockage of the filter element.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 64
Possible causes
- DPF heavily clogged high
- Blocked pressure sensing line low
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: 400–3000 €
- Estimated time: 1.5–6 h
- Component: diesel particulate filter
- Component: dpf diff pressure sensor
- Component: dpf pressure lines
- MIL / check engine light
- emissions-relevant
- drive cycle required
- limp mode possible
Sources
References
sae:J2012