Have a unit that slows too fast when foot off accel pedal , tried to get into computer at dash to reset slow down but could not get in , did not have password,got Hyster dealer in with scan tool ,they played for a while then told me it needs new transmission at a cost of $16000,has any one had a problem like this and is their any way to get into computer to change passwords and try to adjust slow down speeds before getting trans, as it drives great at normal speeds just slows too fast and hard for operator to get under pallets without a jump, any help or info on this would be great