It was fitted by a garage that the car dealer used u have got the receipt for it .thk you gor replying

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**help needed urgently** my citreon c3 pluriel automatic wont change gear and wont move,lights and dashboard lights still coming on .but wont turn over i called rac who told me there were four gearbox problems in place of N there is a "-" it wont move from there ,got garage to tow it and on trying to get it up on ramp they rocked it and it started . phoned garage later and was told when getting it off tow truck it wdnt start again .have now been told they stripped gear box and i need a gear selector module which is going to cost over £800 with vat ,a new gearbox was fitted in 2011 ,is this the only option ???