P0480Medium urgency
Cooling Fan Relay 1 Control Circuit
Engine · Cooling System
⚠️ Fix soon — engine may overheat in traffic.
What this means
The primary cooling fan relay circuit has a fault. Without a functioning cooling fan, the engine can overheat during low-speed driving and idling.
Likely causes
- Failed cooling fan relayMost common
- Failed cooling fan motorCommon
- Wiring fault in fan circuitCommon
Estimated repair cost
Cooling fan relay replacement$20 – $80
Cooling fan motor replacement$150 – $500
Wiring repair$75 – $300
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Frequently asked questions
What does P0480 mean?
The primary cooling fan relay circuit has a fault. Without a functioning cooling fan, the engine can overheat during low-speed driving and idling.
Is P0480 serious?
Fix soon — engine may overheat in traffic.
How much does it cost to fix P0480?
Repair costs for P0480 range from $20 – $80 depending on the root cause and your vehicle.
Can I drive with P0480?
You can drive short distances but should have it repaired within 1-2 weeks to prevent further damage.