P0480Cooling Fan Relay Circuit Malfunction
The relay that controls the engine cooling fan does not work.
Can I keep driving? NO
STOP the vehicle in a safe place. Continuing to drive may cause serious engine damage or put your safety at risk.
Sistema Afectado
Sistema de Escape · Catalizador y sensores O₂

La falla se localiza en la línea de escape: catalizador, sondas lambda (O₂) o sistema EGR.
Espacio para vendedores de repuestos
Aún no hay un anunciante en este espacio.
Symptoms You Will Notice
What you may observe when this code appears
- Engine overheats
- Fan does not turn on
- Inefficient A/C
Possible Causes
The components or conditions that trigger this code
- 1Damaged fan relay
- 2Loose wiring
- 3Blown fuse
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Replace the fan relay
- 2Check the fuse
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
Varies by diagnosis
* Diagnosis only: $50–$150
Quick Info
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