The C0242 Code is an engine code and it is important to solve the car engine problem according to the code and meaning. This code is available into two different meanings. One is general meaning and another is dictionary meaning. The general meaning of the code is not directly applicable for any car. So, you cannot fix the car engine problem according to that meaning. You must rely on the manufacturer meaning and do not try to solve the problem according to the general meaning. If you do not know how to fix the car engine, you have to depend on the automobile engineer.