By the meanings of the car engine code, it is possible to know the problem and take an action for solving the car engine. The car engine P1555 Code is found from your car engine by the test. Fix the car engine by the meaning of the code. It is important to collect the right meaning of the code what is found from the car manufacturer only. If you do not know the car right meaning of the code, you should not try to solve the car engine. Do not drive the car until you confirm the car is fully safe to drive.