DPF Efficiency Below Threshold
The KUBOTA-P2002 (Kubota) diesel fault code means: DPF Efficiency Below Threshold. This is a serious severity code.
- Keep driving?
- No -- stop driving
- DIY difficulty
- advanced
- Estimated cost
- $900-$1,800 ash clean, $3,500-$5,500 new DPF
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Common Symptoms
- DPF lamp solid, derate
- Regen does not complete
Probable Causes (Ranked by Likelihood)
- Ash load at service limit (~3,000 hrs on V3307/V3800 under light load) Very Likely
- Oil consumption from worn engine (fuel dilution or turbo leak) Likely
- Non-CJ-4/CK-4 oil used by mistake Possible
Step-by-Step Diagnostic Procedure
Run parked regen to confirm not just soot-heavy.
Send DPF out for ash clean (compact-tractor DPFs ~$900-$1,800).
Frequently Asked Questions
What is Kubota code P2002?
Kubota P2002 means: DPF Efficiency Below Threshold. Serious code -- address promptly to avoid inducement / further damage.
Can I keep using my Kubota with P2002?
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 P2002 cost to fix on a Kubota?
Repair cost range: $900-$1,800 ash clean, $3,500-$5,500 new DPF. Compact-tractor labor is typically $110-$150/hr in 2026.
P2002 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown: