The engine C1800 Code is an important thing for an automobile engineer. It helps to identify the real meaning of the code for solving the car engine. Do not drive the car with any type of car engine problem. So, you should be careful when you find the right meaning of the car. For finding the right meaning of the code, manufacturer name and model number are necessary. After solving the car engine problem drive the car for a test. If you any serious problem, then take the car back to the auto repair center. The engine C1800 Code is related with the chassis problem of the car engine.