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Old 03-07-2006, 11:56 PM   #1
Scooby Newbie
Member#: 109429
Join Date: Mar 2006
Default P0483 DTC.Any help please

Cooling fan function problem
Im a technician and Im doing a side job for a friend.I work on VW's all day and have worked on alot of different cars but not a subaru so Im not familiar with Subarus at all. Iv got a Snap On MT2500 scanner and read the code from my friends 2004 Outback. I dont have any modules fro my scanner for after 2002 so i cant do any tests other than basic functions.
ANyway his check engine light came on and the code id a P0483(undocumented code according to my scanner) from what Iv read the code is
Cooling fan function problem. I checked all of the realays and they checked out fine. I dissconnected the sub fan and ran a ground and power wire to it and it spins but make a clicking noise when it starts and stops.It also makes the clicking when you grab tha fan blades and move them. I did these tests according to Alldata. The only thing I found that was wierd is that when I jumed the wires at fan relay #2 the main fan(pass side) comes on high speed and the sub fan(driver side) doesnt do squat. I checked te voltage at the fan and theres 12 volts going to the sub fan.According to the wiring diagram from Alldata that should make both fans spin on high. If I jumper wire fan relay #1 both fans spin at low speed.
Im just trying to make sure the fan is the problem before I fix it so I wont have to fix it for free later.
The car isnt over heating at all. Im pretty sure the fan needs to be replaced>I just want to be certain cause when I have a simialr code on VW's replacing the fan/fans doesnt slways fix the problem.
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Old 11-15-2011, 12:33 PM   #2
Scooby Newbie
Member#: 283295
Join Date: May 2011

I am also having the same problem but just only when it gets down to the 20 degrees or below
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