The engine U1201 Code tells about the engine problem and it is called diagnosed code. The engine needs to test for finding the real problem and needs to solve the car engine problem. If the real meaning of the code is not found, it is difficult to solve the car engine problem. Do not use any meaning of the code for solving the car engine problem. Reading the manual of the car is necessary to know the name of the car and model number. Do not follow wrong meaning of the code of the different car manufacturer and do not use automobile dictionary meaning of the code for fixing the car engine problem.