OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P2464?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyDPF heavily clogged
- Less likelyBlocked pressure sensing line
Symptoms
- Check engine light or DPF warning light on
- Power loss / limp mode
- Increased fuel consumption
- Failed forced regeneration attempts
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–6 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Diesel Particulate Filter, Dpf Diff Pressure Sensor, Dpf Pressure Lines
Related codes
- P2461DPF Restriction — Forced Limited
- P2462Diesel Particulate Filter Restriction - Soot Accumulation
- P2463Diesel Particulate Filter Restriction — Soot Accumulation
- P2465Diesel Particulate Filter Differential Pressure Sensor Range/Performance
- P2466Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 3
- P2467Exhaust Gas Temperature Sensor Circuit Range or Performance Bank 2 Sensor 3
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.