I checked realoem and think you have the same box as me (A5S310z) but the plate is on the side of the box if you want to make sure. If its the same, my guess would be that its solenoid no.4 but there are other valves that can affect it. You can check the resistances of the solenoids and the two speed sensors with a DMM at the EGS control unit connection behind the right hand floor speaker. I have a box in my back yard that became terminal very soon after I experienced the same problem as you so dont leave it too long before getting the codes read
Edit: These links show what I'm getting at:
http://i290.photobucket.com/albums/l...er/5HP1802.jpg
http://i290.photobucket.com/albums/l...er/5HP1801.jpg
Originally Posted by whiskychaser
I checked realoem and think you have the same box as me (A5S310z) but the plate is on the side of the box if you want to make sure. If its the same, my guess would be that its solenoid no.4 but there are other valves that can affect it. You can check the resistances of the solenoids and the two speed sensors with a DMM at the EGS control unit connection behind the right hand floor speaker. I have a box in my back yard that became terminal very soon after I experienced the same problem as you so dont leave it too long before getting the codes read
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