Code result
P2464
Diesel Particulate Filter Differential Pressure Too High
High severity
What it means
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?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
DPF heavily clogged
highOne of the most commonly reported causes for this code — check this first.
Blocked pressure sensing line
lowLess common, but worth ruling out after the more likely causes.
Related help
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