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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Common Symptoms
- Overheating under load
- CEL
Probable Causes (Ranked by Likelihood)
- Failed viscous fan clutch Likely
- Open fan solenoid wiring Possible
Step-by-Step Diagnostic Procedure
Verify fan engages when commanded.
Replace fan clutch if it freewheels hot.
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.
P0480 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown: