They do have pump/ecu issues but tbh I ain't been asked for one for a while so must be a aftermarket alternative

Speak to a decent gearbox place

Russ at RS Transmissions in Harrow is a very good gearbox place but doubt he can diagnose on phone and he is a bit far,,,, but he is the best I know of and ain't a cowboy either as he buys genuine parts and knows he way around a lot of boxes,,, diagnosed my Clio box issue over the phone but I had a common prob