The B2215 Code is related with the car engine. When your car engine makes trouble, then you need to take the car to automobile repair shop and the engine code reader will identify the problem and it will send a code. The B2215 code is related with the car engine and when the engine code reader fails to read the engine area, then the code comes. If the area of the engine would be okay, the engine code not give the code. However, now fix the problem from the car engine and it is not very difficult thing and costly to solve the problem.