Thanks SuperHerman.
I will check again.

Aprisciate your help.

Hi SuperHerman

I have measure the sensor,really it was impossible to get something.
I have try with all pins with digital meter and no value.
Maybe this means that sensor it's not working ?
The resistance of solenoid it was 1.9 ohm.

I have measure seven the pins at connector of DEM.

Two lines ...

Thanks Superherman,I will follow your advice.
Almost yesterday I check the Volvo with Delfi program.
SAS OK.
I have two isue.
1.Right door passenger module
2.BCM 0094 communication module fault.

The last things from the activation of rear DIFF that I touch it was YAW sensor and DEM connectors.

I ...

I have XC90 2.5T 2005.My rear diff not working .
ANTI Skid SERVICE Required on dash.

I have check at a service who works with Volvo.
He said to me that he cannot connect with DEM.

I have read something from XeMOdex.

I have measure by my self pins that connect with DEM,11.8 volt.

Check the ...