I dont have the code for the radio in my 1996 jaguar xj executive the radio will not work without the code?

Well i cannot do a lot without the radio chassis number to generate a the code from the logarithim code generator and the make of radio as they do change makes depending on supply availability.my code is 6435 in my jag but they are all different

Call your dealer and ask for procedure to unlock radio. They may need VIN and proof of ownership.