A6 CVT with an issue,help needed.

[turpal]

Well got myself a C5 A6 2.5tdi auto for a car auction as it was fully loaded and big engine and auto with ticked most of the boxes but sadly has a problem.Basically it judders on a bit on lower gear on acceleration but even worse when you let off the throttle.Higher up in gears it seems ok and all gears change fine and don`t slip on acceleration.The car done 100k miles.I didn`t have much time to look at it and never had involved with auto gearboxes before so if someone with a knowledge could give a few tips would be most helpful.

[kite]

A gearbox fluid change might help.

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[turpal]

Done it,no change.

[Sinspeed]

Does the problem occur only when driving or even when revving whilst stationary?

[turpal]

Does the problem occur only when driving or even when revving whilst stationary?
Only when driving as far as I remember as soon as you pull away.She`s been sitting with no attention as had no time to spend on her.Last time I scanned no codes was coming up.