The B2162 Code is related with the car engine and when the car engine is tested by the code reader, the code comes. You can solve the problem if you have idea how to fix the car engine. To solve the problem from the engine, the dictionary meaning is not all. To get the real meaning of the code, you have to identify the model number and know the brand name of the code. If you read the manual of the car and car engine, you have found the real meaning of the code and solving the engine problem will be easier.