P0480: Cooling Fan 1 Control Circuit Malfunction
The engine computer sees an electrical problem with the cooling fan control.
Green, yellow, red: three ways P0480 can look
The same code can be a quick fix or a reason to pull over. Match your situation to the closest example.
Keep an eye on it
Fan still works, temperatures are normal.
Schedule a repair
Temperature climbs at idle or in traffic. Fix it before hot weather.
Stop and get help
Overheating. Shut it off and don't drive until the fan works.
Symptoms you might notice
- Overheating in traffic
- A/C weak at idle
Common causes, cheapest first
- Failed fan relay
- Blown fuse
- Failed fan motor
- Wiring problem
What you can check before calling
- Check whether the fan comes on with the A/C on
A code points to a system, not a part. Replacing parts based on the code alone is how people spend money without fixing the problem. Testing confirms the cause first.
Want the full story? Read our guide: Car overheating: what to do right now, and what's causing it.
Generic codes (second character 0) mean the same thing on every vehicle. Some manufacturers add their own details, so check service information for your exact vehicle.
Related codes
More cooling & temperature codes
- P0116
Engine Coolant Temperature (ECT) Circuit Range/Performance - P0117
Engine Coolant Temperature (ECT) Sensor 1 Circuit Low - P0118
Engine Coolant Temperature (ECT) Sensor 1 Circuit High - P0125
Insufficient Coolant Temperature for Closed Loop Fuel Control - P0128
Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
Look up another code
Cummins fault code (like 1922), J1939 SPN and FMI (like SPN 3251 FMI 0), or an OBD-II code (like P0420).
Questions
What does P0480 mean?
P0480 means "Cooling Fan 1 Control Circuit Malfunction". The engine computer sees an electrical problem with the cooling fan control.
Can I drive with code P0480?
It depends on what the vehicle is doing. Green: Fan still works, temperatures are normal. Yellow: Temperature climbs at idle or in traffic. Fix it before hot weather. Red: Overheating. Shut it off and don't drive until the fan works.
What causes P0480?
The most common causes are: failed fan relay; blown fuse; failed fan motor.
Is P0480 a serious code?
It can be. Overheating. Shut it off and don't drive until the fan works.
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