The engine C1912 Code is meaningful and it comes when the car engine has any problem. By the knowing the meaning of the code, it is possible to know about the car engine problem. Do not use any other meaning of the code for solving the car engine. Your car manufacturer has given a meaning of the code and you need to know that meaning of the code for fixing the car engine. Do not drive the car with any engine problem. That is why, take the car to automobile repair center and try to solve the car engine problem.