The B1777 Code has a related with the engine of the car and when the car is tested, the code comes when the code reader failed to test the engine at the point B1777 Code. It is necessary to get the meaning of the code and you will know the meaning of the code from the automobile dictionary. The meaning of the code changes according to the manufacturer and model number. By reading the manual of the car, it is possible to know the correct meaning of the code. However, if you do not know how to solve the problem, you should not try to solve the problem and take it to the automobile repair station.