Help! P0480 4527 Fan fault

[jonnybravo]

My A4's fans keeps running after the car is turned off and its killing my battery. This is the fault it shows even though it doesnt throw a code on the dash. Both fans run when the car is off so it seem like they both function fine. Is it the fan control module? How hard is it to fix/replace?

[TurboNate]

I had this same issue after doing some carbon cleaning. Behind the I take manifold, there are a bunch of electrical harnesses. One of them wasn't seated properly. You can start there


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[johnnySV]

if you end up needing a fan control module I have a low mileage one for sale


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