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AWD Not Working

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R
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J1ames
Posts: 1
Joined: 14 March 2024
Year and Model: 2004 S60R
Location: New York

AWD Not Working

Post by J1ames »

I have a 04 s60r and the awd isn't working. I did have a BCM-0094 (Communication between control units Communication problems with DEM) which I cleared through Vida and hasn't come back. Im able to communicate with the DEM and can see live data but awd still isn't working. There aren't any other codes related to the DEM or awd system. The prop shaft is spinning so I don't think its the collar sleeve. Any ideas what could be wrong? Is there any way to test the pump/ haldex system through Vida?
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jonesg
Posts: 3509
Joined: 16 January 2008
Year and Model: 2004 V70
Location: Northern maine.
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Post by jonesg »

The pump runs continuous, if prop shaft is turning the clutch plates only have to clamp together to transfer power to the rear wheels.
Thats how it reacts so quick.

is the pump running, use a stethoscope.
theres a fuse in the rear fuse bank for the pump.
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