The U1198 Code is a necessary thing and do not try to fix the car engine problem improper way for solving the car engine problem. The automobile meaning of the code is found online and it is not used for solving the car engine problem. The automobile meaning of the code may make trouble in the car engine what may be difficult to solve the car engine problem. However, if you use different meanings of the code what are not related with your car engine, the car engine may not be solved properly. Do not drive the car with any type of engine problem.