FICM Performance
The MAXXFORCE-P0611 (MaxxForce) diesel fault code means: FICM Performance. This is a moderate severity code.
- Keep driving?
- No — stop driving
- DIY difficulty
- advanced
- Estimated cost
- $500-$1,500
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Common Symptoms
- Hard start
- No start
- CEL
Probable Causes (Ranked by Likelihood)
- Failed injector driver module (FICM equivalent on DT) Likely
Frequently Asked Questions
What is P0611 on a MaxxForce DT (7.6L)?
P0611 on a MaxxForce DT (7.6L) (2007-2015) indicates: FICM Performance. This is a known fault code on the MaxxForce engine family and typically points to the causes listed above.
Can I drive with P0611 on my MaxxForce?
No. Stop driving and arrange for towing. Continued operation risks catastrophic damage or stranding.
How much does it cost to fix MaxxForce P0611?
Repair cost is typically $500-$1,500 depending on the underlying cause and shop rate. Many MaxxForce faults (especially EGR cooler, head bolt, and VGT repairs) are major expenses that drove fleet owners to repower with Cummins or retire these trucks early.
Mechanics Guide Step-by-step diagnosis
Step-by-Step Diagnostic Procedure
Check module voltage under crank (should hold 48V).
Replace if voltage drops during crank.
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines P0611 as a generic OBD-II code)
P0611 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:
Commonly Affected Vehicles
- International 4300 DuraStar MaxxForce DT
- International 4400 DuraStar MaxxForce DT
- International 7300/7400/7500 WorkStar MaxxForce DT
- IC Bus CE-Series MaxxForce DT
- IC Bus RE-Series MaxxForce DT
Related Codes
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