Fan 1 Control Circuit
The MAXXFORCE-P0480 (MaxxForce) diesel fault code means: Fan 1 Control Circuit. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- intermediate
- Estimated cost
- $400-$1,200
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View pilot availability →What Are the Symptoms of MAXXFORCE-P0480?
- Overheating under load
- CEL
What Causes MAXXFORCE-P0480? (Most Likely First)
- Failed viscous fan clutch Likely
- Open fan solenoid wiring Possible
Can I Still Drive with MAXXFORCE-P0480?
Short distances only. MAXXFORCE-P0480 is rated moderate severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What is P0480 on a MaxxForce DT (7.6L)?
P0480 on a MaxxForce DT (7.6L) (2007-2015) indicates: Fan 1 Control Circuit. This is a known fault code on the MaxxForce engine family and typically points to the causes listed above.
Can I drive with P0480 on my MaxxForce?
Only drive short distances to reach a repair facility. Continued operation may cause further damage or progressive derate.
How much does it cost to fix MaxxForce P0480?
Repair cost is typically $400-$1,200 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
How Do You Diagnose MAXXFORCE-P0480?
Verify fan engages when commanded.
Replace fan clutch if it freewheels hot.
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines P0480 as a generic OBD-II code)
P0480 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 MAXXFORCE-P0480?
- 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
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