FPT-SPN3361-FMI5 serious FPT Cursor (Case IH / New Holland)

FPT Cursor DEF Doser Injector Open Circuit

The FPT-SPN3361-FMI5 (FPT Cursor (Case IH / New Holland)) diesel fault code means: FPT Cursor DEF Doser Injector Open Circuit. 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.

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Keep driving?
Yes, with caution
DIY difficulty
intermediate
Estimated cost
$500-$1,100 doser

What Are the Symptoms of FPT-SPN3361-FMI5?

  • SCR conversion low
  • Inducement starting

What Causes FPT-SPN3361-FMI5? (Most Likely First)

  • DEF doser seized / crystallized Very Likely
  • Broken doser wiring Likely

Can I Still Drive with FPT-SPN3361-FMI5?

Yes, with caution. FPT-SPN3361-FMI5 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.

Frequently Asked Questions

What is Case IH / New Holland SPN 3361 FMI 5?

On FPT Cursor engines, SPN 3361 FMI 5 means: FPT Cursor DEF Doser Injector Open Circuit. Serious code -- address promptly to avoid inducement / further damage.

Can I keep operating with SPN 3361 FMI 5?

Serious fault -- you can move the machine to a shop but don't run it under load. Diagnose with Case IH EST / New Holland Electronic Service Tool.

How much does SPN 3361 FMI 5 cost to fix?

Repair cost range: $500-$1,100 doser.

Mechanics Guide Step-by-step diagnosis

How Do You Diagnose FPT-SPN3361-FMI5?

  1. Command doser test in EST; replace if no activation.

Sources 1

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

  • SAE J1939-73Application Layer: Diagnostics (defines the SPN/FMI fault-identifier framework)

SPN3361-FMI5 on Other Platforms

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

Volvo / Mack serious DEF Dosing Valve Circuit Open (J1939)

Which Vehicles Commonly Get FPT-SPN3361-FMI5?

  • Case IH Magnum 250-400 Series tractors
  • Case IH Steiger 370-620 articulated tractors
  • Case IH Axial-Flow 7250 / 8250 / 9250 combines
  • New Holland T8 / T9 Series tractors
  • New Holland CR Series combines (CR8.90, CR9.90, CR10.90)

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