Failed fan relay or fan control module; Blown fuse; Wiring or connector fault; Failed fan motor.

P0480: Fan 1 Control Circuit

Q: What does P0480 mean?

P0480: Fan 1 Control Circuit. The engine computer has found a fault in the control circuit for cooling fan 1.

Q: Is it safe to drive with P0480?

Severity: High. Limit driving and diagnose promptly. Continued driving can cause damage, stalling or limp mode.

P0480 means Fan 1 Control Circuit. The engine computer has found a fault in the control circuit for cooling fan 1.

CodeP0480

SystemCooling system

SeverityHigh

TypeGeneric powertrain

Can I keep driving? Limit driving and diagnose promptly. Continued driving can cause damage, stalling or limp mode.

Common symptoms

Check engine light on
Cooling fan not running, or running all the time
Overheating in traffic
A/C cooling poor at idle

Possible causes

Failed fan relay or fan control module
Blown fuse
Wiring or connector fault
Failed fan motor

How to diagnose P0480

Check fuses and relays.
Command the fan on with a scan tool.
Check voltage and ground at the fan motor.
Watch the temperature gauge closely until fixed.

What the code means, digit by digit

PPowertrain0Generic (SAE) code4Sub-system80Specific fault

Generic codes have the same definition on every OBD-II vehicle (petrol cars from model year 1996 in the US, 2001 in the EU; diesels later). Manufacturers can add their own enhanced codes; those are not listed here.

Symptoms linked to P0480

Car overheating

General guidance only. Fault codes describe what the engine computer saw, not which part failed: confirm with testing before replacing parts, and follow the vehicle's service information.