Code result
P244A
Diesel Particulate Filter Differential Pressure Too Low
High severity
What it means
The differential pressure across the DPF is below the calibrated minimum even at higher loads. Often a sign of a damaged or missing filter substrate, or a leak in the sensing line.
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
Cracked or missing DPF substrate
highOne of the most commonly reported causes for this code — check this first.
Leak in pressure sensing line
mediumA plausible cause — test and verify before replacing parts.
Related help
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