Anyone with a Vagcom near Luton Bedfordshire Or what's a good handheld device

[dre_S3]

Going into limp mode car does not seem right can anyone help
also what is a good handheld device there's a few on eBay but not sure which are good tha

nks

Dre

 

[dre_S3]

Got a handheld one need to know the fault codes this limp mode sh*t is doing my head in
i have a feeling it may be the aftermarket alarm messing things about but I'm not sure