FPT-SPN3361-FMI5 serious FPT Cursor (Case IH / New Holland)
FPT Cursor DEF Doser Injector Open Circuit
Can I Drive?
Yes, But Fix Soon
DIY Difficulty
intermediate
Estimated Cost
$500-$1,100 doser
What does FPT-SPN3361-FMI5 mean?
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.
Common Symptoms
- SCR conversion low
- Inducement starting
Probable Causes (Ranked by Likelihood)
- DEF doser seized / crystallized Very Likely
- Broken doser wiring Likely
Step-by-Step Diagnostic Procedure
Command doser test in EST; replace if no activation.
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.
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: