Haldex controler?

Tuffty

Registered User
After a drive in some ice I noticed that my S3 has become 2wd :ermm:
Vag com reads the controler with no problems but under fault codes it lists an error reading the modual.
Does this as i suspect, mean the controler has expired?
If so does anyone have one they would like to sell me?
Also is it a diff off the car job to change them, or are they fairly straight forward to get to?
 
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