The B2533 Code is engine code and you will get this code in many car engines. If you have idea about the meaning of the engine and you do not know how to fix the car engine, you cannot solve the problem and do not try to fix the car engine. You have to fix the right meaning of the code what is found from the manufacturer of your car. The brand and model of the car changes the meaning of the code. So, real meaning of the code is linked your car. From the manual of the car and engine, you will get all necessary information.