Volkswagen Touareg gearbox problems

We have a Volkswagen Touareg 3.0 TDI eight-speed DSG 'box (2010), which has started hesitating when pushed hard, especially in Sport mode. Do you think this is a common fault and is something that Volkswagen would fix for free?
Might be curable by a routine change of fluid that it should have been scheduled for anyway.
Answered by Honest John on

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