KUBOTA-P2456 serious Kubota ›

DPF Differential Pressure Sensor Circuit Intermittent

The KUBOTA-P2456 (Kubota) diesel fault code means: DPF Differential Pressure Sensor Circuit Intermittent. This is a serious severity code.

Unverified. We could not confirm this code's definition against freely available manufacturer documentation, so treat the meaning, severity and fix guidance on this page as unconfirmed. Check it against the manufacturer's service information for your exact model and serial range before acting on it. This page is kept out of search engines for that reason, and we are working through this family manual by manual.

My Garage →
Keep driving?
Limp mode only
DIY difficulty
intermediate
Estimated cost
$40-$100 connector work

What Are the Symptoms of KUBOTA-P2456?

  • Random regen failure

What Causes KUBOTA-P2456? (Most Likely First)

  • Corroded/loose sensor connector Very Likely

Can I Still Drive with KUBOTA-P2456?

Limp mode only. KUBOTA-P2456 is rated serious severity. Continuing to drive in this state risks further damage — get it looked at before your next trip.

Frequently Asked Questions

What is Kubota code P2456?

Kubota P2456 means: DPF Differential Pressure Sensor Circuit Intermittent. Serious code -- address promptly to avoid inducement / further damage.

Can I keep using my Kubota with P2456?

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 P2456 cost to fix on a Kubota?

Repair cost range: $40-$100 connector work. Compact-tractor labor is typically $110-$150/hr in 2026.

Mechanics Guide Step-by-step diagnosis

How Do You Diagnose KUBOTA-P2456?

  1. Clean connector; apply dielectric grease.

Sources 1

This page is built from documented references. Verify against your own service info before repair work.

  • SAE J2012Diagnostic Trouble Code Definitions (defines P2456 as a generic OBD-II code)

P2456 on Other Platforms

The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:

Which Vehicles Commonly Get KUBOTA-P2456?

  • Kubota BX1880 / BX2380 / BX23S sub-compact tractors
  • Kubota L2501 / L3301 / L3901 utility tractors
  • Kubota L4060 / L4760 / L5060 / L5460 grand L tractors
  • Kubota M5-091 / M5-111 utility tractors
  • Kubota M6S-111 / M7060 / M7-132 / M7-152 tractors
  • Kubota MX5400 / MX6000 utility tractors
  • Kubota SVL65-2 / SVL75-2 / SVL95-2s skid steer loaders
  • Kubota SSV65 / SSV75 skid steer loaders
  • Kubota RTV-X1100C / RTV-X1140 / RTV1140CPX utility vehicles

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