Diesel Particulate Filter Differential Pressure Too High
The KUBOTA-P244B (Kubota) diesel fault code means: Diesel Particulate Filter Differential Pressure Too High. This is a serious severity code.
- Keep driving?
- No -- stop driving
- DIY difficulty
- intermediate
- Estimated cost
- $0 regen, $900-$1,800 ash clean, $3,500-$5,500 replace
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Common Symptoms
- Derate, DPF lamp solid
Probable Causes (Ranked by Likelihood)
- DPF soot-loaded past threshold Very Likely
- Ash-saturated DPF Likely
Step-by-Step Diagnostic Procedure
Parked regen first. If it fails, remove DPF for ash clean / replacement.
Frequently Asked Questions
What is Kubota code P244B?
Kubota P244B means: Diesel Particulate Filter Differential Pressure Too High. Serious code -- address promptly to avoid inducement / further damage.
Can I keep using my Kubota with P244B?
Serious fault -- you can move the machine to a shop but don't run it under load. Use Kubota Diagmaster software (dealer tool) for full diagnostics.
How much does P244B cost to fix on a Kubota?
Repair cost range: $0 regen, $900-$1,800 ash clean, $3,500-$5,500 replace. Compact-tractor labor is typically $110-$150/hr in 2026.
P244B on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown: