have legnum vr4 fitted with 5 speed tiptronic . problem i have is in drive it will not change out of 1st gear will change into second in tip. then will go into emergency mode from there on with speed signal fault have changed both speed sensors and vehicle speed sensor . Also scoped signals at computer . the vehicle was fitted with a km to mph converter direct to gearbox loom could this of fried the computer. please help if anyone has incountered a similar problem or has any input to offer. thanks autosands