General meaning of the U1140 Code is very helpful and seeking the right meaning is also important. Because for solving the car engine problem, the right meaning is necessary and it is found in the car engine manual. Do not use any meaning of the code. The U1140 engine code seems a kind of network problem and it can be fixed easily. In totaling to these issues, while the company proposed a hydraulically controlled system that could be converted from within the car, the version they executed had to be manually changed in the engine section using hand tools. A test drive is recommended.